Summarizing the data

Now that we have acquired our stock data, let's use a couple of commands to find out what fields our data contains and get some useful information about the values contained in these fields.

Getting ready

You will need the data downloaded from the previous recipe, Acquiring stock market data, to begin the summary.

How to do it...

The following steps will walk you through a quick summary of the data:

1. Take a look at the fields you imported using the following command:

> head(finviz[,1:4]) 

This command will show you the first six rows of your...