piaac.ben.pv | R Documentation |
Calculates percentage of population at each proficiency level defined by PIAAC. Or at proficiency levels provided by the user.
piaac.ben.pv(pvlabel, by, data, cutoff, atlevel, export=FALSE,
name= "output", folder=getwd())
pvlabel |
The names of columns corresponding to the achievement plausible scores. |
by |
The label for the grouping variable, usually the countries (i.e., by="CNTRYID"), but could be any other categorical variable. |
cutoff |
The cut-off points for the assessment benchmarks (e.g., cutoff= c(357.77, 420.07, 482.38, 544.68, 606.99, 669.30)). |
data |
An R object, normally a data frame, containing the data from PIAAC. |
atlevel |
A logical value. If TRUE, percentages at each level are calculated. Otherwise (FALSE), percentages at or above levels are reported. |
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. |
piaac.ben.pv returns a data frame with the percentage of students at each proficiency level and its corresponding standard error.
The total weight, "TOTWGT" and the cut-off points or benchmarks are defined in the config object.
timss.ben.pv, pirls.ben.pv, pisa.ben.pv
## Not run:
#Table A2.5
#Percentage of adults scoring at each proficiency level in numeracy
piaac.ben.pv(pvlabel= paste0("PVNUM", 1:10), by="CNTRYID", data=piaac)
#Table A2.1
#Percentage of adults scoring at each proficiency level in literacy
piaac.ben.pv(pvlabel= paste0("PVLIT", 1:10), by="CNTRYID", data=piaac)
## End(Not run)
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