pirls.mean {intsvy} | R Documentation |
Calculates mean of variable
Description
Calculates the mean of an observed variable (NOT one with plausible values) and its standard error.
Usage
pirls.mean(variable, by, data,
export = FALSE, name = "output", folder = getwd())
Arguments
variable |
The label corresponding to the observed variable, for example, "ASDAGE", for the age of the student. |
by |
The label for the grouping variable, usually the countries (i.e., by="IDCNTRYL"), but could be any other categorical variable. |
data |
An R object, normally a data frame, containing the data from PIRLS. |
export |
A logical value. If TRUE, the output is exported to a file in comma-separated value format (.csv) that can be opened from LibreOffice or Excel. |
name |
The name of the exported file. |
folder |
The folder where the exported file is located. |
Value
pirls.mean returns a data frame with means and standard errors.
See Also
timss.mean, pisa.mean
Examples
## Not run:
pirls.mean(variable='ASBHELA', by= 'IDCNTRYL', data=pirls)
## End(Not run)
[Package intsvy version 2.9 Index]