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Machine learning Job Cost Overview

Typical total cost of Upwork Machine learning projects based on completed and fixed-price jobs.

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On average, 38 Machine learning projects are completed every quarter on Upwork.


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Time needed to complete a Machine learning project on Upwork.

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Machine learning Upwork freelancers typically receive a client rating of 4.64.

Last updated: September 1, 2015
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  1. Andrey Ogurtsov

    Andrey Ogurtsov

    Biostatistician / R programmer

    Ukraine - Tests: 1

    Biostatistician with 3 years of experience. Favourite programming tools - R and SPSS. Performed works: • definitions of primary and secondary variables; • sample size calculations; • writing statistical analysis plans for phase I-IV and bioequivalence trials; • performing statistical analysis and writing statistical reports; • creating CRF; • data input and verification; • developing correspondent SOPs. STATISTICAL AND MACHINE LEARNING SKILLS: • classical methods of analysis; • general and generalized linear models; • non-linear modeling (splines, GAMs); • tree-based methods (bagging, random forests, boosting); • dimension reduction (PCA); • clustering (hierarchical, K-means); • cross-validation; • bootstrap; • multiple comparisons adjustments. PROGRAMMING SKILLS: • using R functions for wide range of statistical methods; • writing new R functions to implement desired functionality; • data wrangling with basic R functions and packages like reshape2; • data visualization (basic graphs and ggplot2); • automated report generation and reproducible research (knitr with R Markdown or LaTeX); • interactive presentations with shiny, rpanel and googleVis; • SPSS (both GUI and syntax); • SQL (basic knowledge).

    $10.00 /hr
    0 hours
  2. Vinay Sawant

    Vinay Sawant

    BigData Hadoop Developer/Analyst/Data Scientist

    India - Tests: 1

    • BigData Hadoop Certified • Certifcation of HBase by IBM from BigDataUniversity. • Certifcation of Data Analysis using R from BigDataUniversity. • IBM Pig Certified from BigDataUniversity • IBM Hive Certified from BigDataUniversity • JAQL Certified by IBM from BigDataUniversity. • Knowledge in Big Data Hadoop and its components like HDFS, Map Reduce, Apache Pig,Hive, Sqoop, and HBase,Phoenix. • Knowledge of Setting up Hadoop Cluster (Single and Multi Node in Ubuntu) • Knowledge of installing writing the Pig scripts to reduce the job execution time • Currently pursuing Certification course of Data Science from Coursera • Currently pursuing Certification course of Machine Learning from Coursera by AndrewNG • Currently pursuing Certification course 15.071X, THE ANALYTICS EDGE- Analytics! • Currently pursuing Certification course of Practical Machine learning from Coursera

    $13.33 /hr
    32 hours
  3. Timothy K.

    Timothy K.

    Experienced Engineer and Data Science Expert

    Kenya - Tests: 4 - Portfolio: 3

    I have a passion for software, web and mobile application development and this has given me the required zeal to learn and work with a number of programming languages like C, Java, Visual Basic, Python, Perl, PHP, HTML, CSS, JavaScript. I have three years experience in data science including machine learning (Both supervised and unsupervised learning). I have lots of experience in supervised learning (classification and regression) using KNearest neighbors,Adaboost,random forests,support vector machines,Lasso Methods,ElasticNet methods ,linear and logistic regression. In unsupervised Methods am conversant with K means clustering, Principal component analysis (PCA),ward,Birch and Affinity propagation. Am also very experienced in text learning, recommender systems and anomaly/outlier detection Am a results driven individual who ensures work is completed accurately and in a timely manner as required.I have worked in the service industry where customer experience and satisfaction is key. I can work well with minimum supervision and always ensure that I follow my clients timing and design specifications to ensure total satisfaction to my client.

    $11.11 /hr
    0 hours
  4. Justin C

    Justin C

    Big data engineer and webapp prototyper

    United States - Tests: 2 - Portfolio: 1

    I am a software engineer who focuses on big data, machine learning, and analytics. I have a masters degree in computer engineering and neural engineering. My thesis focused on using machine learning techniques to classify brain signals in real time. Throughout my academic career I completed my internships at one of the "big four" and I just left a software engineering position at another one of the "big four". My other work has been in the startup world where I became familiar with agile development and getting things done! I am proficient in Python, Ruby, Rails, Hadoop, C++, Java, MATLAB, PHP, MySQL, PostgreSQL, MongoDB, Redis, and more. I have built many projects from the ground up and am familiar with cloud platforms such as Heroku and AWS. By this I mean, I can get your app up and running in no time. Here is a running list of some of my current work:

    $111.11 /hr
    0 hours
  5. Simão Soares

    Simão Soares

    Quant Trader

    Portugal - Tests: 3

    I've been developing multiple trading strategies optimized for a wide range of asset classes such as Equities, Forex and Futures. The different strategies developed are adapted respectively to 3 different investing profiles: Hedge Funds, Directional Hedge Funds and Proprietary Trading Firms. These strategies vary from Spread Trading and Long/Short to high sharpe ratio Directional.

    $27.78 /hr
    8 hours
  6. Elizabeth Esswein

    Elizabeth Esswein

    python programming, data analysis and processing

    United States - Tests: 2 - Portfolio: 5

    I have an MS in computer science with coursework in algorithms, hardware, databases, information retrieval, and machine learning. I also have background in linguistics and math. I have experience setting up and maintaining Linux servers with Apache, PHP and MySQL and developing applications in that environment. My goal is to put my programming and system administration skills to work while learning about disciplines outside of computer science.

    $50.00 /hr
    846 hours
  7. Pavlo C.

    Pavlo C.

    Java / Android Developer / DevOps

    Ukraine - Tests: 5 - Portfolio: 1

    I am detail-oriented professional with 2 years of industrial experience as Java Developer with focus on J2EE stack & Distributed System. Skilled at Software Engineering, Artificial Intelligence, Machine Learning and algorithms. Good written and oral communication skills. Great team-worker in distributed team. + Programming languages: - Java (Servlets/JSP, JDBC, JUnit) - JavaScript - C++, Prolog, Lisp + Databases: SQL (Oracle, MySQL, PL/SQL) + Frameworks: - Spring Framework (novice) - Hibernate (novice) - JUnit - log4j - AngularJS + Containers: - Tomcat + IDE: - Eclipse - Android Studio + Version control systems: GitHub, SVN + OS: Windows, Linux, MacOS X + Other IT skills: - Algorithms and data structures - TDD (JUnit with Hamcrest, Mockito, JWebUnit) - Maven - JSON, AJAX - REST API - HTML, CSS - XML, SAX/DOM, DTD, XPath, XSLT, XQuery, XML Schema, RDF, RDFS - Big Data: Hadoop (main concepts) - Android SDK - Knowledge of SCRUM/Agile methodology - Experience with Continuous Integration - Machine Learning methods - OWL (Web Ontology Language), Jena, SQWRL - TCP/IP - Code maintenance, documentation writing I love math, volleyball and cars.

    $12.00 /hr
    33 hours