Exercise

Data summary using bigsummary

Now that you know how to import and attach a big.matrix object, you can start exploring the data stored in this object. As mentioned before, there is a whole suite of packages designed to explore and analyze data stored as a big.matrix object. In this exercise, you will use the biganalytics package to create summaries.

Instructions

100 XP

The reference object mort from the previous exercise is available in your workspace.

Load the biganalytics package.
Use the colmean() function to get the column means of mort.
Use biganalytics' summary() function to get a summary of the variables.

Take Hint (-30 XP)