Dvboi / Stack-Overflow-devs-survey-

StackOverflow developer survey of last 4yrs

Stack-Overflow-devs-survey-

End to End Data analytics project on StackOverflow developer survey over last 4yrs.

Important links

• Blog
• Tableau Dashboard

Prerequisite packages and software

• Python
• Pandas,Numpy,Seaborn,Statsmodels,scipy,matplotlib,csv
• Tableau Public

Data Collection

• Collected Last 4yrs of StackOverflow data and combined them from here

Data Cleaning and Preparation

• Made data more stable by cleaning and transforming values wherever needed.
• Missing value imputation for data was done wherever needed. For example, for salary, as it was right skewed 'Group median Imputation' was performed on that data, grouping by years.

Exploratory Data Analysis

• Analyzed Trends, distributions in the data for various programming languages & databases over the last 4yrs.

• Performed Descriptive and Inferential statistic on data like building 95% CI's and z-tests for hypothesis after transforming data.

• Answered a lot of questions like employment type of people, their education level, world's contribution on stackoverflow and impact of these factors on Salary.

• All Visuals/reports are published in a free cloud environment (Tableau Public) so that anyone/everyone can carry on their own analysis, a few visuals are --