Description Usage Arguments Value Author(s) See Also Examples
Calculates the standard deviations for each group
| 1 | 
| variables | matrix or data frame with explanatory variables (may contain missing values) | 
| group | vector or factor with group memberships | 
| na.rm | logical indicating whether missing values should be removed | 
matrix of group standard deviations (with variables in the rows, and groups in the columns)
Gaston Sanchez
groupMeans, groupVars,
groupMedians, groupQuants
| 1 2 3 4 5 6 7 8 | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.