pisa.per.pv: PISA percentiles

In intsvy: International Assessment Data Manager

PISA percentiles

Description

Calculates percentiles for plausible values.

Usage

  pisa.per.pv(pvlabel, by, per, data, export=FALSE, name= "output", 
  folder=getwd())
  

Arguments

pvlabel	The names of columns corresponding to the achievement plausible scores.
per	User-defined percentiles (e.g., per = c(5, 10, 25, 75, 90, 95)).
by	The label of the categorical grouping variable (e.g., by="IDCNTRYL") or variables (e.g., by=c("IDCNTRYL", "ST79Q03")).
data	An R object, normally a data frame, containing the data from PISA.
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

pisa.per.pv returns a data frame with percentiles and associated standard errors. Default weights (e.g. "TOTWGT" in TIMSS) and percentiles are specified in the config parameter.

See Also

timss.per.pv, pirls.per.pv

Examples

  ## Not run: 
pisa.per.pv(pvlabel=paste0("PV",1:10,"MATH"), per=c(10, 25, 75, 90), by="IDCNTRYL", data=pisa)
  
## End(Not run)

intsvy documentation built on Oct. 3, 2023, 1:07 a.m.