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  3. Introduction to Predictive Analytics in Python
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Exploring the predictive variables

It is always useful to get a better understanding of the population. Therefore, one can have a closer look at the predictive variables. Recall that you can select a column in a pandas DataFrame by indexing as follows:

basetable["variable"]

To count the number of occurrences of a certain value in a column, you can use the sum method: 

sum(basetable["variable"]==value)

In this exercise you will find out whether there are more males than females in the population.

说明

100 XP
  • Count and print the number of females.
  • Count and print the number of males.