Data analysis is a fundamental process in any project. However, data can be lumped into different types, with categorical and ...

A histogram technically represents the frequency distribution of variables in a data set, however. A bar graph typically represents a graphical comparison of discrete or categorical variables. How ...

A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other ...

Mode observations are most useful to describe categorical data, whose values are limited to a finite set of values. In these cases, the mode can quickly be determined from a frequency table.

Generalized Linear Models (GLMs) provide an extension to OLR since response variables can be continuous or discrete (e.g. binary or frequency). This course covers: What are GLMs? When should we use ...

7.2.2 Frequency Verus Proportions The table above provides a good summary of the data, but is not useful for comparison purposes because we have different number of male and female employees. To ...