DA CASE STUDIES – 11

What follows are some case studies that include “Documentation of any cleaning or manipulation of data” as part of the deliverables so I’ve included all my step-by-step details. I’ll start off with R then I’ll duplicate the process using SQL, and finally Tableau. Other analyses done in Python is not included and covered in other […]

TABLEAU CHARTS – BASICS

DUAL/COMBO AXIS CHARTS Dual axis = combo axis is the same as dual axis line chart. What you need to understand is that you will encounter times when the measurements you are plotting are using similar scale so it makes sense to synchronize the axis. Or even display ONE axis even though we are still […]

TABLEAU – VISUALIZATION FUNDAMENTALS

VISUALIZATION BASICS The purpose of visualization is insight, not pictures. So turn data into something clear and meaningful in minds of the audience. The Human brain is devoted to fast visual processing We are built to detect, match and make sense of patterns The visual approach is much more effective than tabular display of data […]