| data.pirlsmissing {sirt} | R Documentation |
Dataset from PIRLS Study with Missing Responses
Description
This is a dataset of the PIRLS 2011 study for 4th graders for the reading booklet 13 (the 'PIRLS reader') and 4 countries (Austria, Germany, France, Netherlands). Missing responses (missing by intention and not reached) are coded by 9.
Usage
data(data.pirlsmissing)
Format
A data frame with 3480 observations on the following 38 variables.
The format is:
'data.frame': 3480 obs. of 38 variables:
$ idstud : int 1000001 1000002 1000003 1000004 1000005 ...
$ country : Factor w/ 4 levels "AUT","DEU","FRA",..: 1 1 1 1 1 1 1 1 1 1 ...
$ studwgt : num 1.06 1.06 1.06 1.06 1.06 ...
$ R31G01M : int 1 1 1 1 1 1 0 1 1 0 ...
$ R31G02C : int 0 9 0 1 0 0 0 0 1 0 ...
$ R31G03M : int 1 1 1 1 0 1 0 0 1 1 ...
[...]
$ R31P15C : int 1 9 0 1 0 0 0 0 1 0 ...
$ R31P16C : int 0 0 0 0 0 0 0 9 0 1 ...
Examples
data(data.pirlsmissing)
# inspect missing rates
round( colMeans( data.pirlsmissing==9 ), 3 )
## idstud country studwgt R31G01M R31G02C R31G03M R31G04C R31G05M
## 0.000 0.000 0.000 0.009 0.076 0.012 0.203 0.018
## R31G06M R31G07M R31G08CZ R31G08CA R31G08CB R31G09M R31G10C R31G11M
## 0.010 0.020 0.189 0.225 0.252 0.019 0.126 0.023
## R31G12C R31G13CZ R31G13CA R31G13CB R31G13CC R31G14M R31P01M R31P02C
## 0.202 0.170 0.198 0.220 0.223 0.074 0.013 0.039
## R31P03C R31P04M R31P05C R31P06C R31P07C R31P08M R31P09C R31P10M
## 0.056 0.012 0.075 0.043 0.074 0.024 0.062 0.025
## R31P11M R31P12M R31P13M R31P14C R31P15C R31P16C
## 0.027 0.030 0.030 0.126 0.130 0.127