Ciencia de datos Jobs

Data Science is a multidisciplinary field that deals with extracting insights and patterns from raw data to facilitate informed and strategic decision-making. Data Science Experts possess advanced skills in computer science, mathematics, statistics, and domain knowledge essential for interpreting data and solving complex problems. They can help you harness the power of data-driven analytics to make improvements to your business strategies, IT systems, or product development processes.

Here's some projects that our expert Data Science Experts made real:

  • Machine learning algorithms development for personalization and recommendation systems in mental healthcare
  • Custom dashboard creation for seamless integration with accounting platforms like Xero
  • Neural network optimization for image recognition or natural language processing tasks
  • Data analysis and visualization using tools like PowerBI for comprehensive reports
  • Federated learning techniques implementation for secure and efficient data processing across organizations
  • NLP-based applications development such as sentiment and emotion analysis of audio content in multiple languages
  • Water leakage detection systems using advanced data analysis and predictive modeling techniques
  • Assistance in formulating research ideas and implementing projects for data science publications

If you're looking to take advantage of the wealth of information hidden within your data or leverage the power of AI and machine learning to drive smarter, more effective decision-making, then look no further than Freelancer.com. Our talented community of Data Science experts is here to transform your ideas into reality.

We invite you to post your project on Freelancer.com today and hire some of the best Data Science experts from around the world. Experience firsthand how their expertise can improve your organization's performance, innovate new products, or optimize current systems. Make the smart choice - let our Data Science professionals help you navigate the ever-evolving landscape of data-driven technology solutions.

De 65,389 opiniones, los clientes califican nuestro Data Science Experts 4.85 de un total de 5 estrellas.
Contratar a Data Science Experts

Filtro

Mis búsquedas recientes
Filtrar por:
Presupuesto
a
a
a
Tipo
Habilidades
Idiomas
    Estado del trabajo
    36 trabajados encontrados, precios en USD

    As someone with a need for a predictive Machine Learning algorithm, I'm seeking an adept algorithm engineer or data scientist. The selected freelancer will create a ML Algorithm for predicting patterns using structured numerical data extracted from news articles. The ideal candidate for this position will have: - Proven experience in data extraction; specifically from news articles. - Solid proficiency in Machine Learning particularly in prediction algorithms. - Experience working with structured numerical data. Responsibilities will include: - Designing a predictive ML algorithm that can effectively use structured numerical data. - Validating the algorithm's prediction accuracy. - Balancing the model’s sensitivity and specificity. This project requires a unique com...

    $18 - $150
    $18 - $150
    0 ofertas

    I have two datasets with different dimensions that I'm looking to use in a classification project. I'm interested in utilizing different machine learning models to maximize efficiency and accuracy. Key aspects of the project: - **Machine Learning Models**: I'm particularly keen on leveraging decision tree, random forest, extra trees and XGBoost models. - **Dataset Dimensions**: The key data points to consider are the number of columns. The datasets have different numbers of columns. - **Objective**: The primary goal of this project is to achieve a high level of accuracy in classification. The ideal candidate for this project should have: - **Experience**: Demonstrated track record in implementing classification projects using the aforementioned machine learning models. - ...

    $20 (Avg Bid)
    $20 Oferta promedio
    4 ofertas

    Require a skilled professional in computer vision. I have public videos from YouTube which you can use to follow the project. In these videos, children are playing games. We need the following features to find the severity/confidence scores (0-9, where 0 is non-Autism and 1-9 represents increasing severity) by using any technique or model (pre-trained / ML / DL) so that we can find the individuals with autism levels (such as severe autism, mild, medium, lower, or no autism, etc). For example, maybe you can see Face landmark detection () that has a confidence score. I expect you will find a better technique. By applying the following feature techniques: facial expression analysis, gaze analysis, body movement analysis, speech and language processing, social interaction metrics, activity ...

    $147 (Avg Bid)
    $147 Oferta promedio
    38 ofertas

    I require a skilled professional to develop a machine learning model for predictive analytics revolving around weather data. The end objective is to accurately predict air quality. Main Responsibilities: - Development of a predictive analytics model using machine learning techniques - In-depth handling and processing of weather data Ideal Candidate: - Solid experience in Machine Learning, with a focus on predictive analytics - Proficient in handling and analyzing weather data - Skilled in integrating and adapting machine learning models into software applications - Previous experience in air quality analysis will be a plus Overall, the project focuses on leveraging weather data to foresee air quality conditions. Your trained model should empower decisions based on its predictions.

    $19 (Avg Bid)
    $19 Oferta promedio
    12 ofertas

    I am looking for a talented Earth Engine expert to build a model that will allow me to effectively identify potential dumpsites using satellite imagery and the Random Forest machine learning algorithm. Key Responsibilities: - Collect and preprocess satellite imagery data - Develop an Earth Engine model capable of identifying potential dumpsites Ideal candidate should: - Have experience in satellite imagery analysis - Be proficient in using Google Earth Engine - Be skilled in developing and implementing Random Forest machine learning algorithms Your work will empower me to proactively identify and address potential dumpsites, contributing significantly to environmental protection and waste management.

    $112 (Avg Bid)
    $112 Oferta promedio
    12 ofertas

    I want to create a variety of visualizations in R Studio for the purpose of analyzing trends, comparing data, and showing relationships in numerical data. Ideal skills and experience for this job include: - Proficient in R programming - Experience in plotting with R Studio - Understanding of different types of visualizations (Bar charts, Line graphs, Scatter plots) - Ability to interpret data and create meaningful visual representations - Strong analytical skills to identify trends and relationships - Previous experience in data visualization and interpretation. Looking for a freelancer who can deliver clean, effective visualizations that help me draw meaningful insights from numerical data.

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    15 ofertas

    I am seeking a professional with experience in clinical prediction model development to create a tailored system for my organization. This project will focus on using patient demographic information, medical histories, and clinical observations to identify high-risk patients. The desired output of this model is twofold: 1. The Probability of high-risk classification - this will enable us to determine the likelihood of a patient being categorized as high risk. 2. The Severity level of risk - this information will quantify the degree of risk associated with each patient. Preferred skills and experiences for this project are: - Clear understanding of clinical data and how to interpret it. - Proven experience building predictive models, especially in a clinical or medical setting. - An outs...

    $2025 (Avg Bid)
    $2025 Oferta promedio
    39 ofertas

    As a start, we need someone to continue an existing data scraping project, coupled with Artificial Intelligence for one of Brazil's largest legal platforms, "JusBrasil." The primary task is to effectively scrape and identify case descriptions that deal with our specialty: immigration cases, specifically focusing on citizenship and international law cases. Project Scope and Expectations: - Enhance the existing data scraper to efficiently extract case descriptions from JusBrasil - Implement AI algorithms to accurately determine the relevancy of these cases to our requirements - Leverage keywords such as 'citizenship' and 'international law' to highlight the cases we focus on Skills and Experience Required: - Proficient in data scraping techniques - Exp...

    $512 (Avg Bid)
    $512 Oferta promedio
    50 ofertas

    I'm looking for a GIS expert to develop an insightful map for a voluntary carbon market project in Nepal and the Philippines. Key Deliverables: - Carbon emission points - Forest coverage - Deforestation data The map should provide capabilities for: - Interactive zooming and panning - Municipalities data viewing Skills and Experience: The ideal candidate should have proven experience in GIS mapping with a focus on environmental data representation. Knowledge of the local context in Nepal and the Philippines will be a plus.

    $16 / hr (Avg Bid)
    $16 / hr Oferta promedio
    17 ofertas

    I'm seeking a GIS expert to create a comprehensive map of fire stations in Massachusetts. This map should provide a clear visualization of both active and non-active fire stations, with detailed information on each station. Key requirements for this project include: - Mapping of Active and Non-active Fire Stations: The map should clearly differentiate between the active and non-active fire stations in Massachusetts. - Address Information: Each fire station should be represented with its complete address. The main purpose of this map is for research. I aim to utilize this GIS map to study the distribution and availability of fire stations across the state. Ideal skills for this project: - Proficiency in GIS software and mapping - Understanding of cartography and data visualization ...

    $165 (Avg Bid)
    $165 Oferta promedio
    24 ofertas
    Data Extraction Expert Needed 4 días left
    VERIFICADO

    I'm looking for a data extraction expert to assist me in obtaining specific information. The project requires extracting data from various sources, the details of which will be provided upon hiring. Ideal Skills and Experience: - Proven experience with data extraction tools and techniques - Proficiency in handling diverse data formats and sources - Strong problem-solving and analytical skills - Attention to detail and ability to deliver accurate results - Excellent communication and collaboration skills Please note: The specific data type, source and purpose are currently unspecified. The chosen freelancer will be expected to adapt to the requirements of the project and demonstrate flexibility and expertise in handling diverse data extraction scenarios.

    $423 (Avg Bid)
    $423 Oferta promedio
    58 ofertas

    I'm seeking a skilled developer to create a sophisticated machine learning system aimed at predicting heart risk issues for patients. This system is intended to primarily benefit doctors, patients, and admin workers in the medical field. Key Responsibilities: 1. Developing Predictive Models: The main objective of this system is to efficiently predict the likelihood of a patient having heart-related issues, specifically coronary artery disease, heart attacks, and arrhythmia. Expertise in machine learning algorithms and predictive modelling is crucial. 2. Integration of Data Sets: The system must be able to handle vast sources of patient data to generate accurate predictions. These include patient's medical history, lifestyle information, as well as real-time health data. Extens...

    $149 (Avg Bid)
    $149 Oferta promedio
    25 ofertas

    I need a comprehensive predictive modeling using regression models specifically tailored for industry-specific data. Key Requirements: -Expertise in industry-specific data handling and analysis -Precision in building and executing regression models -Sound understanding of predictive modeling techniques The ideal freelancer should have a solid portfolio in statistical modeling, particularly in regression and predictive analyses involving industry-specific data sets. Specifically they should should have an in depth knowledge of Generalised Linear Models used in evaluating risk in the Motor Insurance Industry

    $29 / hr (Avg Bid)
    $29 / hr Oferta promedio
    50 ofertas

    I'm looking for a skilled professional who can create detailed lectures on Mathematics, Physics, and Chemistry. These lectures need to be designed for an in-depth analysis level of understanding, aimed at advanced students. Key requirements: - I need a set of 10-20 lectures for each subject. - These lectures should be focused on advanced concepts, theories, and practical applications. - The lectures need to be clear, engaging, and informative, with a strong emphasis on in-depth understanding. Ideal skills and experience: - Proven experience in creating educational content, specifically for these subject areas. - Strong knowledge of advanced topics in Mathematics, Physics, and Chemistry. - Ability to explain complex ideas in a clear and engaging manner. Please include samples o...

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    1 ofertas

    I'm in need of a seasoned Data Science Trainer who can cover extensive topics, with a strong grounding in machine learning along with data visualization and statistical analysis. With a target audience of professionals, I seek bespoke, advanced level training. Hours of commitment are flexible, so ideally you would be able to accommodate varying schedules. Skills and experience necessary for this project: - Expertise in machine learning concepts and applications - Proficiency in data visualization techniques - Well-versed in statistical analysis - Experienced in teaching professionals - Open availability Note - 8+ years of experience required as a data scientist Take only Only weekend Classes for Work Professionals

    $322 (Avg Bid)
    $322 Oferta promedio
    6 ofertas

    I am seeking an intermediate Research Assistant to help me with several tasks related to a research project I'm working on. The following tasks are required: - Data collection - Literature review - Finding suitable journals - Modeling and coding - Finding related talent - Scripting Ideal candidates will be proficient in the above areas, especially with data collection and literature reviews, and be able to identify suitable journals for publication. Basic to intermediate modeling, coding, and scripting skills are also necessary. In terms of communication, I would like to be updated on the project status via daily emails. Please ensure your ability and availability to do this. Requirements for this role: - Intermediate level experience in research assistance in ML/DL domain ...

    $80 (Avg Bid)
    $80 Oferta promedio
    18 ofertas
    EX-IM Export Data Analyst Needed 4 días left
    VERIFICADO

    I am looking to hire an experienced data analyst, with a thorough understanding of EX-IM Export Import Intelligence, to carry out several tasks for starting my export business. Primary Duties: - Execute data cleaning and preprocessing, ensuring accuracy and consistency across different data sets - Carry out comprehensive data visualization, simplifying complex data to maintain comprehensible reports and presentations - Perform data modeling and forecasting that accurately reflects market trends Required Proficiencies: - Ability to interpret, analyze, and report data in format suitable for different stakeholders - Microsoft Excel, Python with Pandas, Tableau - these are essential software skills Key Roles: - Comprehensive market research and analysis, carefully monitoring and unders...

    $104 (Avg Bid)
    $104 Oferta promedio
    15 ofertas

    I'm in need of an R Programmer skilled in time series analysis, correlation and regression. Your task is to analyze a dataset and find correlations between various weather variables. The aim is to forecast future trends, identify patterns and relationships, and make predictions that are precise. Your responsibilities will include: - Analysing and making predictions about specific variables such as temperature, precipitation, and wind speed. - Applying time series analysis to establish forecasts for weather patterns. - Understanding and interpreting relationships between different weather variables using correlation and regression techniques. The ideal candidate should have significant experience with the R programming language and a strong understanding of statistics and forecast...

    $149 (Avg Bid)
    $149 Oferta promedio
    35 ofertas
    Machine learning project.. -- 2 2 días left
    VERIFICADO

    I am working on a research project. I need more efficiency of the model that is already trained.

    $110 (Avg Bid)
    $110 Oferta promedio
    23 ofertas

    I am seeking a skilled freelancer to help me create interactive and user-friendly dashboards that visualize USDA report data using Power BI. My goal is to make it easier to understand and use, providing key insights at a glance. Key Deliverables: - Development of interactive Power BI dashboards - In-depth analysis of USDA report data The ideal freelancer will have: - Extensive experience in Data Visualization - Expertise in Power BI (creating dashboards, reports, etc) - Familiarity with USDA report data or similar datasets It's worth noting that the USDA report data is updated monthly. Therefore, the dashboards should be designed to accommodate and quickly process these monthly updates, ensuring up-to-date visualizations.

    $147 (Avg Bid)
    $147 Oferta promedio
    54 ofertas

    I am searching for an experienced mentor to guide me through different aspects of thesis writing in Data Engineering and Machine Learning. Key areas where assistance is required: - Expertise in research methodology to help shape the foundation of my thesis and guide me effectively to carry out my research. - Skilled in literature reviews for significant studies in the field, ensuring a comprehensive and well-rounded foundation for my work. - Proficiency in data collection and analysis for gaining, organizing, and interpreting vital information, contributing to my comprehensive understanding of the topic. Additionally, I need hands-on support in data engineering, so expertise in this field is highly desired. An understanding of Google clouds will also be beneficial, given the nature of m...

    $1104 (Avg Bid)
    $1104 Oferta promedio
    44 ofertas
    Machine learning project 2 días left
    VERIFICADO

    I am working on a research project. I need more efficiency of the model that is already trained.

    $147 (Avg Bid)
    $147 Oferta promedio
    22 ofertas
    Data Center Project 2 días left
    VERIFICADO

    I'm looking for one have experience in data center, and I need your expertise for this project.

    $20 (Avg Bid)
    $20 Oferta promedio
    12 ofertas

    I'm looking to develop a sports betting strategy and need a skilled Data Scientist/Sports Analyst to help me achieve the following goals: - Maximizing win rate - Minimizing risk - Identifying profitable betting opportunities - Consistency / sustainability - Adaptability/ scalability Key Requirements: - Experience with sports data analysis, particularly in soccer, basketball, tennis or Rugby. - Develop predictive models for winning using sports analytics - Proficiency in data science techniques and tools. - Familiarity with various data sources used in sports betting analysis, including historical game statistics, betting odds, and player performance data. - Accuracy and Reliability - Speedy and Realtime Updates Your expertise in developing robust strategies, coupled with a deep u...

    $2718 (Avg Bid)
    $2718 Oferta promedio
    14 ofertas

    I'm in need of a GIS professional who can help me design and implement a detailed map for spatial analysis of exploration mining data. - The main goal of the map is Spatial Analysis. - The primary type of data that will be visualized is exploration Data. - The specific focus of the data will resource exploration analysis. The ideal candidate for this project should have: - Proficiency in GIS software, such as ArcGIS, QGIS, Google Earth, Illustrator or similar. - Experience in spatial analysis of environmental data. - A strong understanding of different types of data visualization techniques. - A keen attention to detail to ensure the map accurately represents the data. I'm looking for someone who can deliver a high-quality and visually appealing GIS map that effectively convey...

    $5 / hr (Avg Bid)
    $5 / hr Oferta promedio
    22 ofertas

    I need a proficient R programmer to assist with data analysis and visualization, as well as statistical modeling. The ideal candidate should be comfortable working with various types of data, including numerical and textual. Key Responsibilities: - Conduct data analysis and visualization using R - Perform statistical modeling tasks - Source relevant datasets for the project Ideal Skills & Experience: - Extensive experience in R programming - Proficient in data analysis and visualization - Skilled in statistical modeling - Ability to work with numerical and textual data - Experience in sourcing external datasets - Strong problem-solving and analytical skills This project is an excellent opportunity for a dedicated and skilled R programmer to contribute to a data analysis and ...

    $6 / hr (Avg Bid)
    $6 / hr Oferta promedio
    16 ofertas

    I'm seeking a data mining expert to rework my project's problem statement, craft novel project objectives, and link the methodology with a literature review. I'm primarily focusing on Stacking classifier and Hybrid stacking models. The ideal candidate should have a strong background in these models to help develop a completely new approach for my project. Key requirements for this role include: - Expertise in classification models, especially Stacking classifier and Hybrid stacking - Strong experience in data mining and methodology development - Proven track record of combining insights from multiple studies - Ability to write a comprehensive literature review and identify gaps in existing studies Your role will be crucial in not only improving the problem statement and ...

    $107 (Avg Bid)
    $107 Oferta promedio
    31 ofertas

    I need a skilled professional to analyze a given trajectory in .xyz format and specifically extract the non-Gaussian parameter. i will help you to understand the work. Ideal Skills: - Experience in scientific data analysis and trajectory interpretation - Ability to extract non-Gaussian parameters - Proficiency in using tools for data analysis The task involves: - Analyzing the trajectory in .xyz format - Extracting the non-Gaussian parameter (specifically, the kurtosis, skewness, or other higher moments)

    $10 / hr (Avg Bid)
    $10 / hr Oferta promedio
    3 ofertas
    R Program Expert for Data Analysis 14 horas left
    VERIFICADO

    I am seeking a proficient R programmer to assist with the evaluation of statistical significance in a large dataset. This project will involve data cleaning processes to address missing data, outliers, and unbalanced classes from CSV files. An in-depth understanding of advanced analytics and R programming is needed. • Proficiency in R language • Experience handling CSV files • Strong ability with data cleaning methods (dealing with missing data, accurately identifying outliers, working with unbalanced classes) • Expertise in evaluating statistical significance The selected candidate should not only have technical expertise but also the ability to interpret data and present findings in a clear, concise manner. This project shall pave the way for consequential decision ...

    $6 / hr (Avg Bid)
    $6 / hr Oferta promedio
    17 ofertas

    Looking for an experienced data scientist with a strong background in trading or stock market data analysis. Your tasks will revolve around data analysis and visualisation, along with other key data science responsibilities. Contract duration: 3 months to 15 months Position open: 2 Data scientists Key Responsibilities: - Perform data analysis and visualisation on trading or stock market data - Use your data science skills to provide valuable insights - Ensure the accuracy and efficiency of your predictive modeling Ideal Skills and Experience: - Proven experience in trading or stock market data analysis - Proficiency in Python, R, and SQL - Strong analytical and problem-solving skills - Prior experience with predictive modeling and algorithm development - Ability to handle a variety of ...

    $8 / hr (Avg Bid)
    Destacado
    $8 / hr Oferta promedio
    12 ofertas

    The objective of my project is to construct a comprehensive Regenerative Augmented Generation (RAG) model, bolstered by invaluable internal company data, which I will provide. Specifically, I'm targeting: - The expertise to convert raw data inputs into a functional RAG for superior strategic decisions. - Fluency in managing and synthesizing large datasets. - Demonstrated success in previous related projects. Suitable freelancers should showcase: - Relevant experience in building RAG models. - Proficiency in handling vast internal company datasets. - Strong data analysis and interpretation skills. - Ability to maintain confidentiality of the company's internal information. Looking forward to collaborating on this exciting project!

    $18 / hr (Avg Bid)
    $18 / hr Oferta promedio
    25 ofertas

    I am intending to develop a data flow network using Lingo as the programming language. The main focus of this project is to build a network that primarily caters to service providers. Key requirements for potential freelancers include: - Proficiency in Lingo - Proven experience in the creation of data flow networks - Strong understanding of the service providers' operational needs - Ability to execute tasks on time and to standard This exciting project is an excellent opportunity for tech-savvy minds who are keen to demonstrate their skills and problem-solving abilities.

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    15 ofertas

    For this project, I'm looking for an expert in machine learning and image recognition to develop a model that will accurately identify food objects from images: Key Objectives: - The model should focus explicitly on food items with the end goal being to assess the share of shelf products in stores. Please ensure that the model can identify a range of different food types, with a strong understanding of diversity in shapes, sizes, and packaging. - The final application of the image recognition model is for retail shelf analysis. Ideal Candidate: The perfect match would have experience with object recognition models, particularly food items and retail environments. Strong proficiency in machine learning and related software would be a substantial advantage for this project.

    $405 (Avg Bid)
    $405 Oferta promedio
    50 ofertas

    The Role of Placental in Predicting Maternal and Fetal Health : Identify Key Biomarkers: Determine which placental biomarkers are most strongly associated with adverse maternal and fetal outcomes. Mechanisms of Action: Investigate the biological mechanisms through which these biomarkers influence maternal and fetal health, providing insights into potential therapeutic targets. Developmental Timeline Studies: Assess how the levels of these biomarkers change throughout pregnancy and their correlation with health outcomes to establish timelines for early detection. Clinical Application: Develop protocols for the integration of biomarker screening in prenatal care practices to improve early diagnosis and management of pregnancy-related complications. Methodology: Sample Collection: Collec...

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    41 ofertas

    I'm looking for an experienced data analyst, proficient in using SPSS Software, to perform an incisive statistical analysis of a dataset. The key objective is to investigate the relationships between various variables which include age, gender, income, education level, employment status, marital status, geographic location, ethnic background, health conditions and more. The successful candidate is required to: - Analyze the data set and identify patterns and trends. - Conduct a comprehensive revision of the data set, flagging any inaccuracies. - Create relevant tables and SPSS output for visualization. - Provide a brief overview with major findings as a bullet point summary. Ideal freelancers will have: - Proficiency in SPSS - Strong statistical analysis skills - Keen attention t...

    $124 (Avg Bid)
    Acuerdo de Confidencialidad
    $124 Oferta promedio
    45 ofertas

    I'm in need of a Python Developer who is proficient in data analysis, visualization, and data science to work on an array of data types including financial, customer, social media, and pharma data. Key Tasks: - Data Analysis and Visualization: You will be given various sets of data which you will need to efficiently analyze and create meaningful visualizations. - Web Scraping and Automation: Knowledge in this area is desirable but not necessary. - Django Web Development: Again, not a necessity but would be considered a bonus. Objectives: - Efficiency Improvement: Assist in identifying areas of operational efficiency and suggest or implement changes accordingly. - Cost-Saving Opportunities: Use the analyzed data to identify potential areas for reducing costs. - Decision Making Insig...

    $294 (Avg Bid)
    $294 Oferta promedio
    27 ofertas

    Artículos recomendados solo para ti

    Get your product into the hands of test users and you'll walk away with valuable insights that could make the difference between success and failure.
    7 MIN READ
    A guide to hiring and working with freelance Photo Anywhere Expert
    15 MIN READ
    Learn how to hire and collaborate with a freelance Typeform Specialist to create impactful forms for your business.
    15 MIN READ