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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    35 份搜到的工作,货币单位为 USD

    I'm looking for an expert in R programming to assist with data analysis and visualization. Your main tasks would include: - Employing R for data analysis. - Generating static reports and graphs from the data. A key part of this role will involve applying different data visualization techniques to ensure the data is communicated clearly and effectively. Skills and Experience: - Proficient in R programming. - Experienced in data analysis. - Skilled in static data visualization techniques. - Understanding of data communication principles. Please note, the complexity of the dataset is not yet determined, so adaptability and problem-solving skills are a big plus.

    $6 - $19
    加封
    $6 - $19
    5 个竞标

    I'm looking for an expert in R programming to assist with data analysis and visualization. Your main tasks would include: - Employing R for data analysis. - Generating static reports and graphs from the data. A key part of this role will involve applying different data visualization techniques to ensure the data is communicated clearly and effectively. Skills and Experience: - Proficient in R programming. - Experienced in data analysis. - Skilled in static data visualization techniques. - Understanding of data communication principles. Please note, the complexity of the dataset is not yet determined, so adaptability and problem-solving skills are a big plus.

    $6 - $19
    加封
    $6 - $19
    4 个竞标

    I'm looking for a proficient practitioner in Tensorflow and machine learning to help develop a solution based on image and video data. Here's what I need: - Design and train a machine learning model that can extract meaningful information from our data. - The model should be capable of scene recognition in video and images. Your solution needs to reliably and accurately identify and classify different scenes. - You should be comfortable working with Tensorflow and have a solid understanding of its capabilities and limitations. Ideal skills and experience: Tensorflow proficiency, solid training in machine learning, experience in working with image and video data, and expertise in scene recognition algorithms. Your proposal should detail your plan of action and track record i...

    $344 (Avg Bid)
    $344 平均报价
    14 个竞标

    I'm seeking a talented machine learning expert to create a model to predict cancer - related proteins within Protein-Protein Interaction networks. Key Requirements: - No Data Availability: You will be responsible for sourcing a suitable dataset for this project. The dataset should be substantial, relevant to healthcare, and appropriate for predictive analysis. - Designing, Implementing and Evaluating a Strategy. - Evaluation of the Model - Making predictions on a New Test Set Ideal Candidate: - Strong Machine Learning Skills: You should have a proven track record in creating predictive analysis models. - Healthcare Industry Knowledge: Little experience in working with healthcare datasets would be a significant advantage. - Data Sourcing Ability: Being able to identify and acces...

    $104 (Avg Bid)
    $104 平均报价
    9 个竞标

    I am seeking a skilled developer to create a custom indicator using Pine Script v5 for the TradingView platform. The goal is to develop an indicator based on 3 existing indicators and predefined rules. The source code of all 3 indicators will be provided to the right candidate. The custom indicator should generate trade signals for alerts. Should be able to use this strategy in the Chart, where it should display buy, sell and exit signals. This project requires expertise in Pine Script v5 and a deep understanding of technical analysis principles. My requirement will be as below; 1. Convert 3 indicators into a strategy.(Source code will be provided) 2. Alert Creation. 3. Buy/Sell signal, Trailing SL/Trailing TP integration with alert function. 4. Session End/Start as per the script. 5. C...

    $336 (Avg Bid)
    加精 保密协议
    $336 平均报价
    4 个竞标

    I am seeking an experienced freelancer who is proficient in data mining tasks in Excel. the analysis must done in excel by installing the data mining tools in excel The ideal applicant should be capable of installing and executing data mining tools in Excel. Unfortunately, I cannot specify what data mining tasks will be performed, nor the type of data provided for the analysis as these details are not available just yet. However, in order to be eligible for consideration, please include: - Detailed project proposal showcasing your approach to data mining tasks. Feel free to inquire if you need any more details. A strong understanding of data mining in Excel is essential for this task. Looking forward to your proposals.

    $21 (Avg Bid)
    $21 平均报价
    77 个竞标

    I have a dataset with textual data in English and I need a professional who can perform a sentiment analysis on it. An ideal candidate would be someone who has: - Extensive experience in data analysis, specifically with textual data - Proficiency in English language for accurate understanding and manipulation of data - Proven experience in sentiment analysis, capable of providing meaningful and actionable results The main output for this project should be a comprehensive sentiment analysis, which might inform decision making or strategy development. The ideal freelancer should prioritize accuracy and detail in their outputs while ensuring timeliness.

    $22 / hr (Avg Bid)
    $22 / hr 平均报价
    15 个竞标

    I'm searching for a skilled AI developer to design an advanced Gen-AI chatbot for my application which caters to Stone Crusher Owners and my customers. This chatbot will be the primary interface for interaction, facilitating tasks like customer support, handling sales inquiries and tracking orders. * **Chatbot Features** - The chatbot should be capable of handling customer support tasks, answering sales inquiries and tracking orders seamlessly. * **User Interaction** - The chatbot needs to be user-friendly for both Stone Crusher Owners and customers. * **Database Interaction** - The bot should interact with our MySQL database to extract data when needed. It doesn't need to update the database, just fetch necessary information when required. * **Skills and Experie...

    $297 (Avg Bid)
    $297 平均报价
    10 个竞标

    I'm looking for a professional who can provide an in-depth traffic analysis for one road with the aim of identifying potential hazards related to vehicle collisions. You will be expected to: - Analyze traffic volume data - Determine the potential for vehicle collisions - Propose-methods to mitigate these hazards An ideal candidate would have experience in traffic safety analysis, specifically in predicting potential collision spots from high traffic volume data. Your insights will significantly contribute to the overall safety of this road.

    $80 (Avg Bid)
    $80 平均报价
    30 个竞标
    Data Science Quiz Test 6 天 left
    已验证

    I need a professional with strong data science expertise to develop and conduct an online quiz. The freelancer must be available at a specific time frame, from 5:30 EST to 8:00 EST. Quiz Test format - -Multiple-Select -Matching - terms and definitions -Ordering - Your goal is to place items in the order as requested. -Multiple-Choice -True/False Jupyter notebook with a data science project - Target audience specifically includes students. - If you are not expert and try to take help from gpt, Chatgpt won't give you right answer. Thats How they prepare quiz. The ideal candidate will: - Have a profound understanding of data science. - Be available at the specified time frame for the quiz. Please bid if you can meet these requirements and are comfortable with the specified time fr...

    $22 (Avg Bid)
    $22 平均报价
    12 个竞标

    I'm looking for a skilled data scientist who's well-versed in implementing the Levenberg-Marquardt algorithm. I need this algorithm to be applied to my dataset to predict a specific parameter. Key Requirements: - Proficiency in the Levenberg-Marquardt algorithm: You should have a solid understanding of this optimization algorithm, as well as previous experience implementing it for model parameter optimization and error minimization. - Strong data science skills: Your expertise in data science is crucial, as you'll need to apply the algorithm to my dataset effectively. - Experience in predictive modeling: A background in predictive modeling will be beneficial, as you'll be predicting a parameter from my dataset. The data you will be working with is numerical and not c...

    $2 / hr (Avg Bid)
    $2 / hr 平均报价
    2 个竞标

    I'm leading a project aimed at enhancing pharmaceutical formulation in India. The objective is to leverage machine learning to ensure more consistent formulation and expedited availability. We believe this approach will also lead to cost-cutting in the long term. Key Responsibilities: - Implement machine learning algorithms to predict the best formulation for tablets, capsules, and syrups. - Consider the active ingredients, excipients, and flavorings when predicting formulations. - Ensure that the model optimizes for consistency, speed of availability, and cost reduction. Skills and Experience Needed: - Proven experience in pharmaceutical formulation or related fields. - Strong machine learning expertise, particularly in prediction modeling. - Familiarity with the pharmaceutical ind...

    $562 (Avg Bid)
    $562 平均报价
    67 个竞标

    I have advanced statistical modeling tasks in Stata that need completion. Your primary objective will be to aid in generating a log-file using a specific dataset for several assignments. Further details of the project are as follows: - **Type of Tasks**: Primarily data analysis-related tasks in Stata - **Complexity**: The tasks range from intermediate to advanced statistical modeling, with a focus on time series analysis. - **Your Role**: Your primary role will be aiding in generating a log-file using a specific dataset for several assignments. Ideal candidates for this project should have the following qualifications: - Proficient in Stata, with a strong background in data analysis and statistical modeling - Prior experience with generating log-files in Stata - Ability to interpret res...

    $195 (Avg Bid)
    $195 平均报价
    11 个竞标

    I'm seeking a knowledgeable specialist to perform benchmarks on my Pgvector Chroma Faiss database. The key objectives for this project are: - Analyzing speed and query performance. The ideal freelancer should have: - Proficiency with Pgvector, Chroma, and Faiss. - Experience in database benchmarking, with a focus on query performance metrics. - Ability to provide detailed reports on performance metrics. - Ability to offer performance tuning recommendations based on benchmark results. As this is for personal use, the project requires a specialist who can deliver thorough insights without the need for a business-oriented approach. Your technical database expertise will be crucial for this project.

    $211 (Avg Bid)
    $211 平均报价
    3 个竞标

    I'm currently using TensorFlow for my machine learning model. I believe the model can be significantly improved by implementing a different algorithm. In particular, I'd like to enhance the model using "Deforming CNN". Key Points: - Current ML framework: TensorFlow - Requirement for improvement: Implementing a different algorithm - Desired algorithm: Deforming CNN Ideal skills for this project: - Proficiency in TensorFlow - Understanding of Convolutional Neural Networks (CNN) - Experience with implementing and optimizing ML algorithms - Google Colab Your task would be to integrate the Deforming CNN algorithm into the existing model, troubleshoot any issues, and ensure it enhances the model's accuracy. The goal is to significantly improve the model's predict...

    $119 (Avg Bid)
    $119 平均报价
    13 个竞标

    I am in need of a skilled machine learning specialist to help me with a project involving water clarity. The primary goal is to both track and predict water clarity. This requires a combination of machine learning expertise and the use of optical satellite data. Key Responsibilities: - Utilize optical satellite data to track and predict water clarity - Apply random forest and multiple linear regression models to analyze the collected field samples - Develop a robust system for ongoing tracking and prediction of water clarity Ideal Skills and Experience: - Proficiency in machine learning, particularly random forest and multiple linear regression - Experience working with optical satellite imagery - Strong data analysis and model development skills - Background in environmental science or ...

    $155 (Avg Bid)
    $155 平均报价
    42 个竞标

    For an upcoming project, I am seeking an experienced Data Scientist who is particularly adept in R studio. The project involves approximately 3.5 million entries from an accounting firm's datasets and should follow the CRISP-DM framework. Responsibilities: - Data cleaning and preprocessing: Ensuring data is correctly formatted and that outliers, missing values, or inaccuracies are dealt with. - Exploratory data analysis: Extracting insights from the datasets, visualizing trends and discovering correlations. - Model development and evaluation: Carrying out predictive modeling and anomaly detection. Specifically, identifying potential financial transaction anomalies. More about the project: The goal is not predefined and can range from predictive modeling to anomaly detection based ...

    $160 (Avg Bid)
    $160 平均报价
    19 个竞标

    I'm in need of someone to help me download the dataset "Generalization of LOngitudinal BEhavior Modeling" from a data repository. Key Points: - The dataset is "Generalization of LOngitudinal BEhavior Modeling." - I need the dataset to be downloaded from a data repository. No data cleaning or preprocessing is required as I'll handle that part. I'm looking for someone who's able to find and fetch datasets from repositories efficiently. The ideal candidate should have experience with data retrieval and be able to navigate through different data repositories. Please note that the dataset is specific, so I need someone who can accurately locate and download this particular dataset.

    $360 (Avg Bid)
    $360 平均报价
    12 个竞标

    I'm a data science student needing assistance specifically in the areas of maths, linear algebra, and probability. Here's what I'm looking for: - Expertise in data analysis, machine learning, and data visualization - Mastery in maths, particularly linear algebra, and probability - Ability to provide advanced assignments and problem-solving strategies to strengthen my grasp of these subjects The ideal candidate for this project will have strong analytical skills and a deep understanding of complex mathematical principles involved in data science. You should be able to articulate complicated concepts concisely and clearly, since the level of difficulty I'm currently faced with is quite advanced. Your role will largely involve providing resources and guiding me through t...

    $150 (Avg Bid)
    $150 平均报价
    20 个竞标
    Computer Vision Task 4 天 left
    已验证

    I need a computer vision expert, with expertise in image segmentation. More details in chat

    $29 (Avg Bid)
    $29 平均报价
    9 个竞标

    I urgently need an expert in data mining to execute a machine learning project using the RapidMiner tool. Two different algorithms that we have covered in the course are to be used in order to ascertain the optimal model. Key Tasks include: Task: Perform supervised machine learning/data mining using TWO different appropriate datamining algorithms learnt in the course and determine the best model. You can use either XLMiner OR RapidMiner tool. Procedure to be followed: A. Select a dataset having minimum 500 rows of data and should have at least 6 predictors (after cleanup). - Implement Supervised Machine Learning/Data Mining - Work possibly with Numerical Data, Categorical Data, or Textual Data. Further clarification will be provided later. - Compare models to determine the best Ideal Sk...

    $22 (Avg Bid)
    $22 平均报价
    13 个竞标

    I'm looking for a face clustering solution that can group similar faces together in personal photo collections. Key Requirements: - The solution should be capable of processing a large number of images in a batch, not real-time. - The primary objective is to identify and group faces with similar features together. Ideal Skills: - Proficiency in machine learning and computer vision. - Previous experience in developing face clustering algorithms. - Ability to handle large-scale image processing. If you have a solid track record in this field and can deliver an accurate, efficient, and scalable solution, I'd love to hear from you.

    $2393 (Avg Bid)
    $2393 平均报价
    53 个竞标

    As someone passionate about geographical data, I'm seeking a specialist to provide a detailed analysis of specific features. This project calls for an inquisitive and knowledgeable analyst with a sound understanding of maps, particularly pertaining to: - Land use classifications - Water bodies Candidates with a background in geography, cartography or GIS will be best suited for this project. An eye for detail and the capacity to deliver a detailed analysis of both land use and water bodies are invaluable for success in this project. Proficiency in related software and tools, interpreting and drawing conclusions from complex data will also be beneficial. I look forward to your proposals and insights.

    $46 (Avg Bid)
    $46 平均报价
    38 个竞标

    This project is all about extracting insights from survey data. We're seeking to analyze complex relationships between variables. - Data analysis is based on Structural Equation Modelling, using AMOS software. - The provided data type is survey-intense; inside experience with large survey datasets will be a big plus. - Proficiency in AMOS is required; prior usage in a similar project context is ideal. - Objectives include finding connections between our data points and making them comprehensible. - An relevant academic or research background is a definite advantage. The end goal is to generate a transparent analysis that reveals hidden patterns and relationships. If you are a keen analyser with AMOS mastering, we would love to hear from you.

    $143 (Avg Bid)
    $143 平均报价
    20 个竞标

    I am seeking a highly skilled AI engineer to develop a real-time predictive AI system for 7-day forecasting of MODIS Fire Hotspots. The output should present in CSV that include at least date, lat, lon, Given the lack of preference for any specific platform, an ideal candidate should have versatility in implementing AI algorithms on various platforms such as desktop computers, mobile devices and web browsers. The Learning data set: - MODIS csv daily fire hotspots over southeast asia since the year 2000 - MODIS NetCDF monthly burn scars over southeast asia since the year 2000 -ERA5 NetCDF daily meteorology included precipitation, maximum temperature, minimum temperature, relative humidity, plenary boundary layer hight, wind speed and direction. Key Project Requirement: - Real-time dat...

    $461 (Avg Bid)
    $461 平均报价
    94 个竞标

    I'm in need of an experienced data analyst to help me with a project focused on housing markets, specifically rent versus buy scenarios. Here are some details: - **Data Analysis Type**: I need a professional who can perform both data visualization and predictive modeling. You should be able to interpret the data in a meaningful and visually appealing way, as well as predict future trends or patterns based on the data analysis. - **Data Sourcing**: While the data size isn't predefined, you'll be required to source the data from multiple sources yourself. This means you should be well-versed in data collection, cleaning, and preparation. The sources should be relevant to the housing market, specifically the rent versus buy dynamics. YOU WILL NOT BE GIVEN THE DATA, YOU HAVE T...

    $24 (Avg Bid)
    $24 平均报价
    14 个竞标

    I'm seeking a knowledgeable statistician who can assist in medical research, focusing primarily on disease prevalence assessment. This statistician will be working with both continuous and categorical variables within a dataset of less than 100 samples. Key Responsibilities: - Expert analyses of complex medical data - Application of appropriate statistical methodologies Ideal Skills and Experience: - Proficient in statistical software (e.g., SPSS, Stata, R) - Experience with medical research - Understanding of disease prevalence studies - Comfortable working with small datasets - Strong grasp of both continuous and categorical variables Your expertise is vital in advancing this medical research project. If you possess the skills and have a passion for research, please bid.

    $141 (Avg Bid)
    $141 平均报价
    79 个竞标

    The goal of this project is to create a compelling data visualization of my business data. This requires an expert in the field of data analysis and visualization. The project will be focused on: - Visualizing business data in the form of heat maps - Extracting the necessary insights out of it - Making it understandable and actionable The perfect match for this project will have profound expertise in: - Heat map generation - Business data interpretation - Creating actionable business strategies out of data. I can't wait to see our business data in a new and exciting way.

    $674 (Avg Bid)
    $674 平均报价
    49 个竞标

    I am seeking a highly skilled AI engineer to develop a real-time predictive AI system for 7-day forecasting of MODIS Fire Hotspots. The output should present in CSV that include at least date, lat, lon, Given the lack of preference for any specific platform, an ideal candidate should have versatility in implementing AI algorithms on various platforms such as desktop computers, mobile devices and web browsers. The Learning data set: - MODIS csv daily fire hotspots over southeast asia since the year 2000 - MODIS NetCDF monthly burn scars over southeast asia since the year 2000 -ERA5 NetCDF daily meteorology included precipitation, maximum temperature, minimum temperature, relative humidity, plenary boundary layer hight, wind speed and direction. Key Project Requirement: - Real-time dat...

    $424 (Avg Bid)
    $424 平均报价
    63 个竞标

    I'm seeking an expert in deep learning who can create a specialized heterogeneous graph format. This format will be instrumental in enhancing my machine learning models, specifically for analyzing financial transaction data. Key responsibilities include: - Developing a heterogeneous graph format that is suitable for processing complex financial transaction data - Implementing the format in Python, as this is my preferred programming language for the project Ideal candidates for this project should have: - Extensive experience in deep learning, particularly in relation to graph-based models - Strong proficiency in Python, with a proven track record of developing and implementing complex algorithms in this language - A background in handling financial data would be highly advantageous...

    $17 (Avg Bid)
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    17 个竞标

    I'm looking to develop a Markov health model to assist with better planning and allocation of certain healthcare resources. These resources include surgical interventions, normal prosthetics, and wheelchair use. This project aims to offer a comprehensive outlook on how these resources can be best utilized, and what impact their allocation might have on patient outcomes and overall healthcare delivery. Ideal candidates for this project should possess: - Proven expertise in health modelling and forecasting - Experience working with healthcare data; particularly surgical interventions, prosthetics, and wheelchair use - Strong skills in statistical analysis and predictive modelling - A robust understanding of Markov decision processes - Flexibility in approach, with a focus on reliabil...

    $55 / hr (Avg Bid)
    $55 / hr 平均报价
    20 个竞标

    Objective: We are seeking an individual or company skilled in neural networks and Keras to develop a predictive model. This model will forecast the occurrence of a phenomenon based on historical data. Requirements: Data Acquisition: Historical data required for training the model will be fetched via an API from our comprehensive database, which is updated multiple times weekly. Data Processing: All retrieved data will be processed to facilitate effective model training. This includes Exploratory Data Analysis (EDA) to identify impactful data, outlier detection for data quality, and feature engineering to determine the final model inputs. Model Development: Train two types of models using Deep Neural Network (DNN) and Long Short-Term Memory (LSTM) architectures: A classification model to ...

    $2378 (Avg Bid)
    $2378 平均报价
    29 个竞标

    I am looking for a highly skilled data scientist with a strong background in linear regression, social network analysis, time series analysis, and web visualization. My project involves identifying potential future trends by leveraging data science techniques. Your role would include: - Applying your expertise in linear regression and time series analysis to predict future trends based on historical sales data. - Implementing social network analysis to understand the societal impact and potential market of these trends. - Utilizing web visualization to present these results in a simple and understandable way. Ideal candidates will have: - Prior experience with predictive modelling. - Extensive background in time series analysis and linear regression. - Proficiency in social network anal...

    $13 / hr (Avg Bid)
    $13 / hr 平均报价
    29 个竞标

    I am looking for a specialist in data mining and machine learning, tasked with handling a medium-sized dataset ranging from 1,000 to 10,000 records. Key Responsibilities Consider the water tank system shown in the following figure. The tank has an input, a water tap, which can add water to the tank and increase the water level. Water level is measured by a level sensor. The goal is to use Kalman filter to estimate the level of the water in the tank using the noisy measurements coming from the level sensor. Assume that the dynamics and the measurements are modeled by the following equations: ?(? + 1) = ? ?(?) + ? ?(?) + ?? ?(?) = ? ?(?) + ?? Skills and Experience - Proficiency in different types of data mining and machine learning. - Broad experience working with medium to ...

    $38 (Avg Bid)
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    26 个竞标

    As a pioneer in the field of social media analytics, I am seeking a proficient Data Mining Specialist to assist in my newest project. The focal point of this project revolves around the design and execution of advanced data mining algorithms specifically aimed at extracting data from Instagram, Twitter, and TikTok. Key responsibilities for the role include: • Developing algorithms that can efficiently gather user profiles and engagement metrics on the aforementioned platforms. • Ensuring the accuracy and relevance of the extracted data, for the purpose of social media analytics. An ideal candidate would possess exceptional problem-solving skills, a strong understanding of social media platforms, and substantial data mining experience. Qualified individuals will showcase robus...

    $294 (Avg Bid)
    $294 平均报价
    26 个竞标

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