Understanding the structure of the data

Now, let's understand the underlying structure of the data using the following steps. This may involve certain type conversions, which are mentioned as follows:

1. Check the summary of the dataset created:

> summary(bank)
 
 age job marital education default 
 
 Min. :18.00 Length:11162 Length:11162 Length:11162 Length:11162 
 
 1st Qu.:32.00 Class :character Class :character Class :character Class :character 
 
 Median :39.00 Mode :character Mode :character Mode :character Mode :character 
 
 Mean :41.23 
 
 3rd Qu.:49.00 
 
 Max. :95.00 
 
 balance housing loan contact day 
 
 Length:11162 Length:11162 Length:11162 Length:11162 Min. : 1.00 
 
 Class :character Class :character Class :character Class :character 1st Qu.: 8.00 
 
 Mode :character Mode :character Mode :character Mode :character Median :15.00 
 
 Mean :15.66 
 
 3rd Qu.:22.00 
 
 Max. :31.00 
 
...