Region premiums

In this exercise, your objective is to plot histograms that compare the yearly insurance premiums of policyholders across different regions. To achieve this, you will define a plotting chain that adjusts the units of the insurance charges from dollars to thousands of dollars, enhancing the visualization. You will plot the histograms on a two-by-two grid.

The DataFrames, StatsPlots and Chain packages have been imported, and the insurance DataFrame has been loaded.

Apply the transform() function to divide each element of the :Charges column by 1000 and assign the resulting values back to the same column.
Set the layout argument to generate a two-by-two grid of histograms.
Customize the axis labels by setting the x-axis label of the bottom two histograms to "Premium (kUSD)", and set the y-axis label of the first and third histograms to "Frequency".

Exercise

Region premiums

Instructions

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Instructions

Exercise