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.