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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    27 jobs found, pricing in NZD

    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 ...

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    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.

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    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...

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    Computer Vision Task 6 days left
    VERIFIED

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

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    Software Architecture Project 4 hours left
    VERIFIED

    I am seeking a ML, Data Science, and software architect specialist to help me conceptualize and design my platform's architecture, specifically experience with embeddings and vector search. I am building a platform where creators can share content across multiple formats and be remunerated fairly. We ingest various content, from podcasts, articles, white papers and infographics, then agglomerate it, extract the most relevant pieces of information based on the end user's profile (demographic data, parameters, queries, etc) and generate a response. Based on the user, the response may have multiple sources with various contributions to the generated answer. Using weighted calculations, we can allocate the proceeds to the content creators. Example: the podcast contributes 70% to th...

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    Urgent NDA
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    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...

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    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.

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    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.

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    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.

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    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...

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    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...

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    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.

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    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.

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    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...

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    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...

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    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...

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    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 ...

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    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...

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    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 ...

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    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...

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    I'm in search of a deep learning expert with a strong background in Natural Language Processing (NLP) for a project on sentiment analysis. This project will be focused on analyzing customer reviews to extract sentiments and opinions. Key Project Details: - Deep Learning: The project requires a solid understanding and experience in NLP, particularly in sentiment analysis. - Sentiment Analysis: The primary goal is to perform sentiment analysis on a dataset of customer reviews. - Data Sources: The sentiment analysis will specifically be applied to customer reviews. Ideal Skills & Experience: - Proficiency in deep learning techniques, particularly NLP. - Previous experience in sentiment analysis. - Ability to work with and analyze customer review data. - Strong understanding of the ...

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    IDEALLY YOU LIKE BASKETBALL, and can help with a model based on basketball statistics! I'm seeking a highly skilled data analyst to build a statistical model from a specified dataset. The core aim of this model is to predict outcomes based on independent variables within the data. Key responsibilities: - Select the ideal method for creating the statistical model - Determine the independent variables in the data - Build a model capable of predicting outcomes from these independent variables Ideal candidates should possess: - Strong experience in statistical analysis - Advanced knowledge of predictive modeling techniques - Proven ability to interpret and use independent variables effectively - Ability to clearly explain the predictions made by the model. Candidates who can provi...

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    We are seeking a skilled and proactive freelancer to conduct a comprehensive study on the performance of our radiative cooling paint in different regions across India, considering the variations in Atmospheric Transparency Windows (ATW) caused by varying water vapor content in the atmosphere. The objective is to analyze how the radiative cooling performance of our paints is influenced by these regional and seasonal variations. Metamaterial: Project Objectives: Data extraction and ATW Variation Analysis: Extract humidity and water vapor data focusing on different seasons in all states of India to plot the variations in the Atmospheric Transparency Window (ATW) across different regions in India. Understand how ATW fluctuates based on water vapor content and its implications on radiative ...

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    I am in need of a skilled psychometrician who can handle tasks related to survey data. The perfect candidate should be proficient in the following areas: - Data Analysis: Manage and analyze large sets of data effectively, helping us draw meaningful interpretations. - Statistical Modeling: Develop predictive models and algorithms, providing insights that help steer us in the right direction. - Experiment Design: Assist in developing robust, scientifically sound experimental designs that can thoroughly communicate our findings. Mastery in R is a necessity, as this will be the primary language used for the project. Prior experience with psychological survey data will be beneficial. The right candidate should be able to work autonomously and deliver accurate, fact-based results.

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    Data science expert 16 hours left
    VERIFIED

    I'm seeking a proficient data science specialist with a keen visualizing skill set. You'll be tasked with making sense of complex data without a clear focus - it could be financial, user behavior or operational data. As such, the more varied your experience with data types, the better. - Data Visualization: You'll be creating compelling, easy-to-understand visuals out of complex data. Experience in data visualization libraries in Python or R will be highly advantageous. - Data Analysis: You'll need the ability to parse through undefined types of data and identify key patterns or trends. - Fast Turnaround: I require this project to be completed ASAP, so a proven track record for quick turnarounds without compromising quality is key. This project is an excellent oppor...

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    I'm seeking an experienced professional to design and implement a database system to manage mobile health analytics. The main techniques needed include: - Data Visualization - Predictive Modeling - Real-time Monitoring Data types that will be collected and analyzed consist of: - Patient Health Records - Wearable Device Data - Environmental Data Expect to handle a medium scale data volume, within the range of 1GB to 10GB. The ideal freelancer for this project should have a strong background in health data analysis, knowledge in predictive modeling, real-time monitoring and ability to present data visually - all tailored for mobile use. Please note, understanding of medical terminologies and familiarity with wearable device data is highly advantageous. The overall goal is to create...

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    I'm seeking a highly experienced, senior-level data scientist to take on a range of tasks. This project will involve a robust undertaking of different elements such as: - Conducting sophisticated data analysis - Constructing in-depth statistical models - Applying advanced machine learning algorithms - Implementing Natural Language Processing (NLP) - Creating accurate forecasting and time series models Python is the preferred software for implementing these tasks, so extensive expertise in this area is crucial. This role requires an individual with senior-level experience in data science, capable of delivering high-quality, accurate results. A strong background in both statistical modeling and machine learning is necessary, as well as a proven track record in effectively applying N...

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