Aggregate Data in BioStat

To aggregate variables user needs to follow the steps given bellow.

Steps

Load the dataset -> click on the DATASET tab in main menu -> select AGGREGATE -> Once, the dialog appears select the functions to be applied to the variables being executed -> Execute the dialog.

Output of aggregate is given as.

The arguments used is executing the dialog are given as follows.

Arguments

1. var1: factor to group by

2. var2, var3: variable to aggregate

3. newvarmean: mean of var2 grouped by var1 in the aggregated dataset

4. ​newvarmedian: median of var3 grouped by var1 in the aggregated dataset