Data cleansing accounts for 80% of the work of scientists, and in my experience, that’s true. Although I always recommend …

The CRISP-DM or Cross Industry Standard Process for Data Mining — Is the common process to find many solutions in …

If we want to inspect the relationship between two numeric variables, the standard choice of plot is the scatterplot. In a …

A histogram is used to plot the distribution of a numeric variable. It’s the quantitative version of the bar chart. However, rather …

A pie chart is a common univariate plot type that is used to depict relative frequencies for levels of a categorical variable. …

Humans perceive color through signals produced by cells in the retina called cones. Light comes into the eye, hits the …

On June 9, 2008, Steve Jobs took the stage in San Francisco to unveil the new iPhone.As he presented the …

It is key that when you build plots you maintain integrity for the underlying data. One of the main ways …

The table below summarizes our data types. To expand on the information in the table, you can look through the …

A tidy dataset is a tabular dataset where: each variable is a column each observation is a row each type of observational …