In a box plot, the “box” represents the interquartile range (IQR) of the data. Inside the box, you find…

We can get the numerical summary through measures of central tendency, location, and variability for numerical data. But numbers…

Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

In the previous article we discussed how to visualize two categorical variables through dodged, staked bar graphs. Another way…

A straightforward solution to deal with unit of variance which is in squared units is to simply calculate the…

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…