数据科学 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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    I'm looking for an expert using QGIS for detailed gas pipeline mapping. - The mapping should include intricate attributes such as pipeline diameter, material and other relevant specifications. - The freelancer should have a strong background in GIS mapping, preferably in infrastructure mapping and working proficiency in QGIS software. - An understanding of pipeline infrastructure and details would be advantageous for this project. An ever-growing knowledge of GIS software and the ability to showcase pipeline structures in great detail will be vital.

    $301 (Avg Bid)
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    I need a proficient data scientist who is an expert in Convolutional Neural Networks (CNNs). The primary task includes constructing a tool capable of analyzing video content. The tool must be able to process live-streamed and pre-recorded videos, extract frames, and utilize a trained model to identify malicious or inappropriate content based on predefined standards. Key Responsibilities: - Developing a CNN model to scrutinise video content - Extracting frames to check for inappropriate content - Implementing a reporting mechanism for videos containing inappropriate content, so they can be flagged for manual review. Ideal Skills: - Experience with Machine Learning Algorithms, particularly CNN - Understanding of video handling and frame extraction - Ability to design a warning system to fl...

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    I am seeking an expert in Power BI and Power Query to provide their expertise on critical data analysis. Your tasks will involve: - Data visualization: interpreting complex data sets and turning them into actionable information. - Data modeling: moving beyond mere data collection to provide predictive insights. - Data cleansing: verifying the quality and the quantity of the gathered data and readiness for analysis. Your work will be instrumental in informing business strategies and decision making, dealing with diverse data sources like Excel spreadsheets, SQL databases, and CSV files. The key performance metrics or indicators you will track and analyze will include sales revenue, customer acquisition cost, and conversion rate. Never underestimate the impact of your role, as your analy...

    $11 / hr (Avg Bid)
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    machine learning -- 3 6 天 left
    已验证

    Building a Machine Learning Model for Game Here's a step-by-step guide to building a machine-learning model for the game, including code examples and resource recommendations: Step 1: Data Collection and Preprocessing Collect Hashes: Gather as many hashes as possible from the game. Consider recording the steps taken within the game to generate each hash. Analyze Hash Format: Determine the format of the hashes (e.g., length, character types, presence of delimiters). This helps choose appropriate algorithms for processing and analysis. Clean and Preprocess Data: Clean the data by removing duplicates, handling missing values, and ensuring consistent format. Standardize the data if necessary. Step 2: Model Selection and Architecture Design Choose Machine Learning Algorithm: Based on t...

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    I'm seeking a data scientist or prediction expert to develop an accurate match result prediction model for cricket matches. This project will focus on predicting outcomes for specific points throughout a match, specifically the 6 overs session. Ideal skills and qualifications: - Experience in data science or prediction modeling - Knowledge of cricket and understanding of the game's variables - Ability to analyze session data to make accurate predictions Tasks involved: - Create a prediction model using session data. - The model should be able to predict total runs scored, total wickets taken, and the run rate. - Accuracy and precision of the model is essential. Complete understanding of the factors impacting a cricket match is crucial for the project success. This is an inter...

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    3 doc, the first one is the poster to be edited. The 2nd doc contains the changes that needs to be made on the scientific poster. the last doc is the actual research where you can get data and info to make the changes needed

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    I'm on the lookout for an expert data scientist who is proficient in a wide range of analysis types, as I'm unsure at this stage which would be most beneficial for my project. Your tasks: - Conduct a thorough analysis of my given dataset - Apply analytical methodologies as deemed appropriate to derive meaningful insights. Following skills and experience would be ideal: - A solid background in Data Science - Experience in various data analysis types including Descriptive, Inferential, and Predictive analysis - Ability to choose and apply relevant statistical techniques or models such as Regression Analysis, Cluster Analysis, or Time series Analysis based on the data set and project requirements - Strong skills in identifying patterns, trends, making data-driven decisions, or p...

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    The task involves analysing about 50 sheets of prediction results from ML models. The task is to analyse the data sets independently or together with the training data sets and then determine which model will give the best prediction results based on the prediction history available in the 50 data sets. The analysis should be done only on the data with or without training data sets and not the ML model. The analysis is concerning the results of the 50 data sets available. After the analysis, I will be able to tell which model is best suited for the 51st data set.

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    For my project, I require a skilled Biostatistician to conduct in-depth statistical analysis. Key Requirements: - I need you to teach me all the procedure what you have done and explain me every thing. - The analysis needs to encompass both Descriptive and Inferential statistics. This will help shape insights hidden within the data. - Our data set is quite varied and contains more than ten different variables or factors. Therefore, a broad analytical understanding will be needed. - Crucially, our data is sourced from Public Databases. The freelancer should have experience dealing with this kind of data and be aware of any associated challenges. Ideal skills and experience: - Experience in biostatistics and data analysis from public databases. - Adept with descriptive and inferenti...

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    I am seeking a skilled professional proficient in managing big data tasks with Hadoop, Hive, and PySpark. The primary aim of this project involves processing and analyzing structured data. Key Tasks: - Implementing Hadoop, Hive, and PySpark for my project to analyze large volumes of structured data. - Use Hive and PySpark for sophisticated data analysis and processing techniques. Ideal Skills: - Proficiency in Hadoop ecosystem - Experience with Hive and PySpark - Strong background in working with structured data - Expertise in big data processing and data analysis - Excellent problem-solving and communication skills Deliverables: - Converting raw data into useful information using Hive and Visualizing the results of queries into the graphical representations. - Conduct advanced analy...

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    I am looking for a skilled and experienced hydrographic surveyor/geophysicist to conduct a survey in offshore areas. The main goal of the survey is to map seafloor topography with a highly detailed level of mapping. Skills and experience required for this project: - Proficiency in hydrographic surveying techniques and equipment - Expertise in geophysics and seafloor mapping - Knowledge of offshore surveying regulations and guidelines - Ability to analyze and interpret survey data accurately - Experience in using GIS software for data processing and presentation - Strong attention to detail and ability to work with precision - Excellent communication and reporting skills to present survey findings effectively.

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    I am seeking an experienced data scientist (minimum of 10 years) to guide me through the complexities of machine learning algorithms as preparation for upcoming interviews. This role is ideal for someone proficient in AI and deep learning, And who can provide support in interviews. Key responsibilities: - Tutoring on machine learning algorithms with a strong focus on AI and deep learning; - Providing insightful tips and techniques for handling data science interviews. Skills and Experience: - Solid expertise in AI and deep learning; - Proven experience in tutoring or mentorship will be advantageous. This opportunity is a great chance for seasoned data scientists to share their knowledge and help shape the future of upcoming professionals in this field.

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    I'm seeking an expert in data science for a post-grad project to create a robust face recognition system using Histogram of Oriented Gradients (HOG) and data mining. This will primarily be used for identifying individuals from scanned images. Finally need a working prototype which could identify the images. The project entails handling challenges like: - Working with images taken under mixed lighting conditions - Building an algorithm that can effectively identify individuals Ideal Skills & Experience: - Proficient in data science - Previous experience in face recognition systems - Familiarity with HOG and data mining techniques - Understanding of image processing in varied lighting conditions. Other tasks - Need to generate reports for submission to faculties - Data Gathering...

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    Project Description: We are seeking a skilled Data Scientist for a one-time project focused on analyzing and visualizing data for a our tool. This tool is designed to assess and illustrate the strengths of various brain regions in users, based on their performance. The ideal candidate will have expertise in statistical analysis, data visualization, and a keen ability to communicate complex data insights in a clear, accessible manner. Task Overview: Data Analysis: Analyze a detailed dataset consisting of user performance metrics related to tasks and brain regions. Calculate a range of statistics such as overall accuracy, task completion rate, meta-complexity level success rate, and more, based on user data. Ensure the accuracy and integrity of statistical computations. Data Visu...

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    I'm looking to have deep learning utilized for human pose estimation in my project. The purpose revolves around three main aspects: - Tracking body movements - Identifying key joints - Analyzing posture Both real and synthetic images will be used for this purpose. This is a wonderful opportunity for someone skilled in handling a variety of data types for pose estimation. It is imperative for this project that the expert I hire is proficient in Convolutional Neural Networks (CNN) as it is my deep learning model of preference for this task. Applicants should have proven experience in developing and utilizing CNN models and be comfortable dealing with real as well as synthetic data sets. This project offers a chance to build a cutting-edge model in a multi-faceted and challenging pr...

    $50 / hr (Avg Bid)
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    python SageMaker training and deployment for simple given ML model : main challenge is autoscaling you have 7 days to do 1. I do not provide you my AWS account . you develop all on your AWS account 2. Teach me ML project end to end development on SageMaker AWS with autoscaling in production 3. Any python package installed by pip can be used for this ML project (not limited to scikit or deep learning) . such as from import CDClassifier from import preprocess_documents 4. Build with Automatic scaling a customized model training for python code ML model provided by me or you can use your modle code if I like it 5. Build with Automatic scaling a customized inference 6. Automatic scaling, load balancing to handle 1234 requests/sec, requests done by python from any computer on web 7. many Sag...

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    Need a skilled procurement expert specifically versed in the Government E-Marketplace (GeM), tasked with the significant responsibility of sourcing and procuring a variety of laboratory equipment. Skills Needed: - Expert knowledge and expertise in GeM operations. - Experience in procuring laboratory equipment like Physics, Chemistry, Engineering and Environmental apparatus, from microscopes to centrifuges to spectrophotometers. - A deep understanding of the nuances involved in GeM policies. - Ability to optimize account management for diverse projects. The freelancer's core task will be to procure a multitude of laboratory equipment configurations while ensuring precise compliance with GeM policies. Exciting opportunity for those who understand the marketplace's subtleties a...

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    I'm developing a customer review aggregator based on the MERN stack application and I need a maching learning model for sentiment analysis. This model should focus on aspect-based sentiment analysis across domains and be integratable as an API into my application. Just so you know, the reviews are mainly in English and prefer the best Models for this task. The resulting sentiment analysis should be able to provide insights on customer opinions for a multitude of products featured on my platform. This should be cross domain and aspect based sentiment analysis. If we provide a review then it should extract the aspects from it and give sentiment about that aspects . Ideal Skills and Experience: * Mastery of Deep Learning Models particularly for sentiment analysis * Proficiency in En...

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    The task involves analysing about 50 sheets of prediction results from ML models. The task is to analyse the data sets independently or together with the training data sets and then determine which model will give the best prediction results based on the prediction history available in the 50 data sets. The analysis should be done only on the data with or without training data sets and not the ML model. The analysis is concerning the results of the 50 data sets available. After the analysis, I will be able to tell which model is best suited for the 51st data set.

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    I have a client who has 2 year of experience but has not enough real time knowledge. need to be prepared for technical interviews in data science and machine learning. also explain some real industrial projects so that client can explain them in her interviews. daily 15 minutes or half an hour session or alternate days is fine

    $2 / hr (Avg Bid)
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    I'm seeking a skilled geospatial analyst to create comprehensive GIS maps of the entire Knightsbridge area. My goal is to have detailed maps incorporating various critical and environmental aspects to aid in urban planning and public awareness projects. **Requirements:** - **Building Outlines**: Include all buildings in clear detail to help in understanding the urban layout. - **Streets and Roads**: Map all streets and roads to facilitate navigation and planning. - **Air Quality Analysis**: Perform detailed air quality analysis across Knightsbridge. This should highlight areas of concern and potential sources of pollution. - **Flood Risk Modeling**: Develop flood risk models to identify vulnerable areas. This information is crucial for emergency planning and infrastructure improveme...

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    I am looking for an Excel expert who can dissect and analyze customer behavior data, creating insightful, detailed reports. My project's success hinges on accurately understanding customer patterns through meticulous data analysis and presenting findings in a comprehensive format. The ideal freelancer will bring a combination of technical Excel skills and a keen analytical mindset to the table. Key Requirements: - Profound knowledge of Excel, including advanced functions and formula creation. - Proven experience in data analysis, specifically related to analyzing consumer behavior. - Ability to generate detailed reports, summarizing findings clearly and concisely. - Expertise in creating and managing pivot tables for data segmentation and analysis. - Strong analytical skills, with a ...

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    I'm seeking a skilled data scientist to perform predictive analysis to optimize retail inventory volume projects. In a dynamic retail context, understanding future stock needs is key to maintaining an efficient operation, with minimal stock-outs or overstock. Your role would be to: • Use historical inventory data to estimate future demand. • Identify inventory trends and offer insights to refine our ordering process. - Predict incoming volume for next 6 weeks Skills and experience needed: • Proficiency in predictive analytics • Strong experience in data analysis. • Understanding of retail logistics. • Ability to communicate findings in a clear, actionable manner. The successful candidate will have a results-oriented approach and be prepared to wor...

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    I am searching for a skilled machine learning specialist to assist with predictive modeling in the precision agriculture industry. Specifically, the goal is to predict soil moisture content from remote sensed data. Key tasks include: - Development of ML algorithms for predicting soil moisture content. - Application of these predictive models within an agricultural setting Ideally, the candidate will have prior experience in machine learning, predictive modelling, and understand the context of precision agriculture. Prior work in environmental science would be a plus. Strong analytical skills and problem-solving capabilities are a must, with the ability to interpret complex data in a clear and succinct manner. Knowledge in image recognition and NLP would be a bonus, but not necessary for...

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    I'm looking for an expert in business analytics with exceptional skills in data analysis, data visualization, and predictive modeling. Main Responsibilities: - Analyse and interpret a significant amount of numerical data. - Develop creative visualizations for easy understanding of the analyzed data. - Formulate predictive models based upon the gathered insights. Goal of the Assignment: - The main objective of this assignment is to help me identify key trends and patterns from the collected data that will help to optimize my business decisions. Required Skills: - Proficiency in handling numerical data is crucial for this project. - Deep understanding of business analytics. - Strong knowledge in data analysis, visualization, and predictive modeling. - Dominance in tools relevant to ...

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    I'm seeking a talented developer to help me transition away from the Google Places API and establish our database. You'll be expected to source or develop a new API that meets our needs for Location search, Nearby search, and Place details. Concurrently, you'll be setting up a high-functioning database to store and manage Business Listings, User Reviews, and Geographical Coordinates. I would like the database to support: - Data Filtering: To sift through data and retrieve only what is needed. - Data Sorting: To arrange the stored data in a meaningful order. - Data Querying: To extract specific information from the database on-demand. Ideal applicants should have experience in API development, database construction, and management, and should be proficient in data manipulat...

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    CopyTyping 18 小时 left

    I am looking for an experienced freelancer to lead a project focused on collecting quantitative data through online surveys targeted at the general public. The ultimate goal is to gain meaningful insights from the data collected to inform our future strategies. **Key Requirements:** - **Survey Development:** Develop engaging and concise online surveys to effectively collect numerical data from a broad demographic. - **Data Analysis Expertise:** Strongly skilled in analyzing survey results, with the ability to interpret numerical data accurately. - **Audience Engagement:** Experience in reaching out to and engaging with the general public online to encourage survey participation. - **Reporting:** Capable of creating comprehensive reports that summarize the data in an understandable way, h...

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    data science trainer 16 小时 left

    More details: What level of expertise are you looking for in a data science trainer? Advanced What specific topics or skills do you want the data science trainer to cover? Machine learning, Data visualization, Big data analysis What is the preferred duration of the data science training program? 3 months

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    I'm seeking an experienced AI and data analysis expert to design a comprehensive system tailored for hockey players' performance improvement. This project will integrate detailed video analysis with critical statistical data and tactical insights to offer personalized feedback and actionable strategies for enhancing player performance. **Key Project Requirements:** - **AI and Video Analysis**: Implement AI-driven tools to scrutinize hockey game footage. Skills in computer vision and machine learning are essential to annotate videos with feedback highlighting areas for improvement. - **Statistical Performance Analysis**: Incorporate statistical analysis to evaluate player performance thoroughly. Proficiency in data analysis software and an understanding of hockey-specific metri...

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    For this project, I am seeking a skilled data scientist experienced in Convolutional Neural Networks (CNN). You will be given brain images to run Alzheimer's disease detection using a deep learning method, particularly CNN, as it excels on image data. Key Requirements: - Develop a deep learning model for the detection of Alzheimer's disease from provided brain imaging data. - Split the given data into a training and testing dataset to validate the accuracy of the model. The perfect freelancer for this job will possess excellent skills and experience in data science, machine learning, and deep learning expertise. Additional work with previous healthcare data or neuroscience projects would be advantageous, but not necessary.

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