Data Science 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.

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    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)
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    I need a skilled data analyst proficient in R to perform an in-depth statistical analysis on a large dataset of more than 10,000 records. The main objective is to conduct thorough statistical analysis rather than predictive modeling or data visualization. Key Requirements: - Proven experience and expertise in R programming. - Ability to apply a wide range of statistical techniques including: - Descriptive - Logistics - Bivariate - Univariate - Multivariate - Multidimensional Ideal Candidate: - Proficient in handling large datasets. - Experienced with statistical analysis on a similar scale. - Strong understanding of various statistical techniques. - Ability to present the results in a clear and comprehensible manner.

    $130 (Avg Bid)
    NDA
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    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)
    NDA
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    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...

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    Here's a paraphrase of the summaries for the tasks: **Extracting data from images (Task 1a):** * You'll need to add a new function to existing code that can grab specific values from images stored on Google Earth Engine (GEE). * These values, representing features of the land, will be used to train a machine learning model later. **Creating a new feature (Task 1b):** * You'll write some new code to define a new feature based on existing data (called NDVI). * This involves creating a new class that inherits from existing ones to handle this specific feature extraction. **Training machine learning models (Task 2a):** * Using all the features you extracted in Task 1, you'll train different machine learning models for a client. * The client has collected soil samples,...

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    I'm seeking a proficient data scientist with a specialization in unstructured data (e.g., text, images) for a project focused on data analysis. Key Responsibilities: - The primary goal of this project is to perform in-depth data analysis on unstructured data. - You will be required to identify patterns, trends, and insights within this data set. - The data analysis should be thorough and aim to provide actionable results. Ideal Candidate: - Strong background in data science and particularly, in working with unstructured data. - Experience in data analysis, with the ability to find and interpret patterns. - Proficient in using relevant tools and software to analyze unstructured data. - Strong analytical and problem-solving skills.

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    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)

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    I'm in dire need of a professional with deep understanding of Graph Convolutional Networks (GCN), machine learning and data science to assist in building an anomaly prediction model. Since the specific anomalies to be predicted and the data to be used are not yet defined, your flexibility and adaptability are vital. Accuracy requirements are also to be specified later; hence, your ability to quickly alter the model's complexity is coveted.

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    I'm seeking a proficient and experienced data consultant with proven skills in survey data analysis. The emphasis is more on problem structuring than on statistical modelling as I would like an issue tree developed for my data. To summarize, your role will involve: - Assisting in the analysis of my survey data - Developing an issue tree for the identified problem Ideal skills for this project comprise: - Proficiency in data analysis and visualization - Experience with survey data - Ability to create a comprehensive issue tree Familiarity with data cleaning will be an advantage, though not compulsory for this task.

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    I'm in dire need of a professional with deep understanding of Graph Convolutional Networks (GCN), machine learning and data science to assist in building an anomaly prediction model. Since the specific anomalies to be predicted and the data to be used are not yet defined, your flexibility and adaptability are vital. Accuracy requirements are also to be specified later; hence, your ability to quickly alter the model's complexity is coveted.

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    its an urgent task looking for a freelancer who is good at predictive analytics and RAPID MINER. must have good report writing skills PRICE 40 USD

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    I'm looking for a skilled and experienced machine learning professional who can assist me in a project involving image classification for academic research. Key Tasks: - Data Preprocessing: Processing and cleaning the image data to make it suitable for training. - Model Training: Developing and training a machine learning model that can classify images effectively. - Feature Selection: Identifying the most relevant features from the data to improve the accuracy of the model. Goal: - The primary goal of this project is to classify images into specific categories. Final Use: - The classified images will be used for academic research. Ideal Skills: - Proficient in machine learning techniques, especially in image classification - Strong experience in data preprocessing and feature se...

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    R Studio Expert Needed 4 days left
    VERIFIED

    I'm looking for an experienced R Studio Air Pollution Modelling Expert, I have task More details on Chat

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    I'm in need of a data scientist to help me with a data sourcing/clustering project, the data will consist of surface level details about all of the current modular training facilities in Europe and the UK. To summarize, there's a finite number of schools and I need a database created. The following information about each school will need to be obtained: - cost of training - duration of training - training facilities within the school - success rates The main goal of this project is to obtain a clear database providing details all of the modular pilot training facilities in Europe and the UK. Key Tasks: - Data sourcing: you will be responsible for sourcing data from flight schools - Data clustering: Utilize your expertise in data science to cluster the data int...

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    As the client, I am seeking a knowledgeable and experienced NetLogo developer to assist with an undefined traffic flow simulation project. The details of the project purpose, specific model or algorithm, and features needed are not yet defined, which calls for freelancers who are intuitive, adaptable, and great at problem-solving. - Experience with NetLogo framework - Background in traffic simulations - Capability to make critical decisions and recommendations in absence of specific project details - Creativity to design efficient traffic flow simulations with minimal guidance - Willingness to engage in an iterative, collaborative process - Excellent communication skills, as the project details may evolve over time

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    I'm seeking a developer/data analyst having skills in NetLogo programming. My primary goal is to optimise the current agent-based model and reduce traffic waiting times. Responsibilities include: - Extending the agent-based model utilizing NetLogo to optimise traffic flow - Providing insights on the key performance indicators of the traffic flow Your skills and experience should include: - Extensive experience in NetLogo agent-based modeling - A good understanding of traffic flow dynamics - Strong data analysis skills with the ability to interpret complex data - Technical writing skills as a brief report would be required

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    As a client, I'm seeking a seasoned data analyst with expertise in data science who can thoroughly clean, preprocess, and visualize a dataset sourced from CSV files. The chosen candidate: - Should first start with cleaning and preprocessing the data to create a reliable foundation for analysis. - Should then interpret and present that same data through meaningful visuals to explore its intricate properties and characteristics. - Should additionally facilitate statistical analysis to derive patterns and trends otherwise invisible to the naked eye. The hoped-for end-product of this project is not just predictive analytics but insight and data-driven recommendations that will inform future decision-making. Proficient use of Python or R for these tasks is essential, as is familiarity wi...

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    We are currently seeking a Machine Learning specialist, specifically with expertise in facial feature extraction, classification, etc. Basically, we have some clusters of human dataset (it's still in progress) including actors (actresses), sportsman, scientists, businessmen, and educators. We'd like to build a model to output the appropriate career according to the input image. If you read this, please include a word "talent" in your proposal so that I can filter some unreasonable bids. Although we have one specific task, the project's scope may expand based on the freelancer's input and the results obtained. Looking forward to your proposals!

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    I am seeking a proficient R programmer experienced in statistical modeling, especially regression models. My project involves: - Developing regression models for both numerical and categorical data. - Analyzing and interpreting complex data to find actionable insights. - Crafting intuitive and visually compelling representations of data analysis. Skills and Experience: - Extensive background in R programming. - Proven expertise in statistical modeling and data analysis. - Comfortable handling both numerical and categorical data. - Ability to explain complex statistical concepts in a clear and concise manner. As a successful applicant, you will work closely with me to develop comprehensive regression models that allow me to make better-informed decisions. This project requires the su...

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    For my college assignment, I require assistance for both data analysis and geographic mapping through ArcGIS. Key project tasks include: - Conducting data analysis to reveal any underlying patterns within the dataset provided. - Generating a comprehensive geographic map based on the data analysis results. Ideal freelancer should have: - Solid expertise in ArcGIS - Experience in data analysis and geographic mapping - Excellent understanding of spatial modeling Notably, please observe that this project is an educational assignment thus necessitates dedication and precision.

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    I am seeking a proficient data analyst specialized in the use of machine learning applications for predictive analysis. Key Responsibilities: 
 - Perform predictive analyses using machine learning techniques to unlock valuable insights. - Provide interpretive insights and propose strategic solution to enhance future performance based on predictive analysis. - Collaborate and communicate effectively on data trends and predictions. Ideal Candidate: - Deep understanding of machine learning applications and their use in predictive analysis. - Strong interpersonal skills for effective collaboration and communication. - Proven capability to transform raw data into actionable strategies. Please substantiate your proposal with a detailed description of how you plan to approach this proje...

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    I am in need of a data science professional with a deep knowledge in creating models, integration analysis, and correlation. The successful candidate will be responsible for: - Working with data from databases - Conducting thorough integration analysis - Establishing correlations Ideally, the freelancer should possess extensive experience working with databases and have a knack for identifying patterns and trends. As I strive to optimize processes and make informed decision-making, a track record in similar projects is highly beneficial. N.B. Predictions or forecasts are not required for my project.

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    I'm in need of an Astrophysics expert who's well-versed with SourceExtractor software. The project entails tasks related to the use of SourceExtractor software, but specifics haven't been defined. As a freelancer, you will be required to: - Interpret astronomical images and data - Run SourceExtractor software for data analysis - Perform data measurements and cataloging - Analyze and interpret the results The ideal candidate should have: - A solid background in Astrophysics - Extensive experience with SourceExtractor software - Strong data analysis skills - Ability to interpret astronomical data - Good communication skills and ability to present results If you're an expert in this field and have experience in managing similar projects, I'm keen to discuss furthe...

    $374 (Avg Bid)
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    I'm in need of an Astrophysics expert who's well-versed with SourceExtractor software. The project entails tasks related to the use of SourceExtractor software, but specifics haven't been defined. As a freelancer, you will be required to: - Interpret astronomical images and data - Run SourceExtractor software for data analysis - Perform data measurements and cataloging - Analyze and interpret the results The ideal candidate should have: - A solid background in Astrophysics - Extensive experience with SourceExtractor software - Strong data analysis skills - Ability to interpret astronomical data - Good communication skills and ability to present results If you're an expert in this field and have experience in managing similar projects, I'm keen to discuss furthe...

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    I need your expertise in classifying a set of numerical data. My project requires an understanding of Decision Trees for successful implementation. Key requirements are: - Deep understanding of Decision Trees/Deep learning - Proficiency in numerical data analysis - Proven experience in data classification Expected Results:- - More than 90% precision for class 1 - More than 20% recall for class 1 here is the dataset: Having the skill to interpret and classify my existing dataset accurately, you will secure this project. Looking forward to a fruitful collaboration!

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    We are seeking freelancer expert to write a new enhancement in our exosting an On-Prem AI Video analytics (VA) software. Existing products works on live feed, find EHS violations after running models on frames and insert into DB. It has an existing dashboard as well. New features will primarily focus on analyzing traffic violations. The new enhancement should be able to handle ANPR and Speed Violation detection based on a live video feed from inside plant roads. Key Features: The software should provide - check valid vehicle # with registered list for unauthorized entry. - Speed violation to handle 5 to 40 Kmph threshold - Violation Snapshot/Video will be stored on on-prem server. - Each violation with trigger Auto Email and/or SMS notifications....

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    I'm in need of a skilled analyst to help with a business data analysis project and subsequent report writing. The task involves carrying out calculations on MS Excel and reporting on the findings in a 1100-word report. Key responsibilities include: - Analyzing different types of data to identify trends, patterns, etc. - Conducting necessary calculations on MS Excel The report: - Must be 1100 words - Needs to address specific questions within the context of business processes Ideal Skills: - Proficiency in MS Excel for data analysis and calculations - Strong analytical skills, able to interpret data and draw meaningful conclusions - Prior experience in business data analysis and report writing is a plus.

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    I'm currently looking for an expert in hybrid machine learning models, specifically for the ARIMA, GCN, and LSTM components. Key improvements needed: - ARIMA: - Improved accuracy of predictions - Reduced computation time - Better handling of seasonality - GCN: - More effective integration of graph structure - Enhanced extraction of features Skills and Experience Required: - Extensive knowledge in ARIMA, GCN, and LSTM - Proven experience in improving hybrid machine learning models - Proficiency in handling seasonality in data - Ability to work efficiently and reduce computation time. - Skilled in incorporating graph structure and improving feature extraction.

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    I'm looking for an expert in machine learning who can build an algorithm to analyze a sizable set of numerical data- comprising over 70,000 samples. Your task will be to make use of the training and test data I will provide to yield the most accurate predictions for the test data. Although I'm open to recommendations, my initial thoughts are to base this on Classification or Clustering methodologies. Your expertise in selecting and utilizing the most efficient algorithm is crucial. Requirements include: * Proven experience in machine learning, specifically with Classification and Clustering algorithms * Strong understanding of how to handle and analyze numerical data * Ability to deliver accurate predictions using large datasets. In your bid, please detail your experience wi...

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    I'm seeking a knowledgeable medical statistician for two key tasks: analyzing patient medical records and creating effective statistical models. A bulk of the work includes: - Analyzing patient medical records to glean important insights. - Building statistical models based on the data. The primary objective of these tasks is to delve deeper into the realm of elastography in order to augment our current understanding and practices. You're the right person for this job if you possess: - An experienced background in Data Analysis and Statistical Modeling. - A broad understanding and experience working with patient medical records. - A keen interest or previous experience in elastography studies. Not only should you have the technical skills to carry out this project but a ...

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    Data analyst 1 day left
    VERIFIED

    We are looking for a data analyst for our project

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    I am seeking a talented individual to assist with a Power BI Data Visualization project, focused on displaying sales data. Your expertise will aid in the creation of comprehensive monthly summaries that will aid decision-making processes. Key Requirements: - Proficiency in Power BI for data visualization - Experience with sales data analysis - Ability to create detailed monthly summaries The perfect candidate would be a seasoned Power BI user, who has had previous experience aiding businesses in making use of their sales data. The successful freelancer will help transform our raw data into easily interpretable monthly summaries.

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    I'm looking for a Machine Learning Engineer with specialized skills in developing and training Zero-shot Learning models for image classification. Key Tasks: - Data Preprocessing: You'll be responsible for cleaning and preparing a dataset of 1,000 - 10,000 images for training the model. - Model Selection and Evaluation: Your expertise in selecting the most appropriate model for this task will be crucial. - Feature Engineering: Extracting and selecting informative features from the images will be a key part of the project. Ideal Candidate: - Strong background in machine learning, particularly with Zero-shot Learning models. - Proficiency in data preprocessing and feature engineering, particularly with image data. - Experience with model selection and evaluation in a similar con...

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    I'm currently seeking a highly experienced data scientist for applying machine learning techniques on a complex dataset. As a skilled professional, you'll be involved in: - Preprocessing and cleaning of data to remove any inconsistencies. - Conducting exploratory data analysis to unveil hidden patterns and correlations. - Selecting the right machine learning model and evaluating its performance over time. For this project, in-depth knowledge in Python and strong statistical background are highly desirable. Familiarity with supervised machine learning models is a key requirement as well.

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    I am in need of a seasoned data analyst who can effectively work on a data visualization project for me. The main purpose of this project is: - Utilizing numerical data, categorical data, and time series data - Creating clear visual representations to aid in identifying trends and patterns - Spotting anomalies and outliers - Comparing various datasets An ideal candidate for this project would have a strong background in data analytics, preferably with previous experience in data mining and predictive modeling. Mastery in utilizing data visualization tools and software is also crucial. You should be able to understand and interpret complex data, and not only represent it visually but also spot anomalies, outliers and perform comparisons between different datasets, ultimately providing dee...

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