The List of Top Data Scientist Tools

Apache Spark: Data engineering, statistics, machine learning

BigML: Machine learning

Dell Boomi: Data integration

Jupyter: Data cleaning, machine learning, simulation, statistical modeling, data visualization

MATLAB: Statistics, scripting language, modeling, simulation, data visualization, algorithm development

Python: Data analytics, game development, machine learning, scripting language, web development

R Programming: Data analysis, data cleansing, statistics

Tableau: Data visualization, business intelligence, data blending

Talend:  Data integration

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Also look at the list of top mobile developer tools