Organizes data according to the information given in the ScaleData object. It reorders the items given in alternate orderings to participants, reverses items that need to be reversed, assigns the desired labesl to items and returns a structured object appropriate for the ItemAnalysis() function.
Usage
PreProc(sc)
Arguments
sc
ScaleData object, produced by the Scale function.
Value
data
A reversed and reordered - as needed - data.frame.
items
If an items vector is provided (see ScaleData), a character vector with the item statements.
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
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> library(Scale)
Loading required package: psych
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2
Attaching package: 'ggplot2'
The following objects are masked from 'package:psych':
%+%, alpha
Attaching package: 'Hmisc'
The following object is masked from 'package:psych':
describe
The following objects are masked from 'package:base':
format.pval, round.POSIXt, trunc.POSIXt, units
Loading required package: MASS
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/Scale/PreProc.Rd_%03d_medium.png", width=480, height=480)
> ### Name: PreProc
> ### Title: PreProc Prepare Scale Data for Analysis
> ### Aliases: PreProc
> ### Keywords: survey multivariate
>
> ### ** Examples
>
> data(Depression98)
> depressionScale <- Scale(data=Depression98,
+ orders=list(
+ c(16,19,11,9,1,17,5,18,4,8,2,12,
+ 20,10,14,6,3,13,15,7),
+ c(1,18,4,15,7,8,3,14,20,6,19,16,
+ 12,5,10,13,2,17,11,9)),
+ orders_id=c(
+ rep(1, 49),
+ rep(2, 49)),
+ reverse=c(3,4,13,14,18,20),
+ col_names= paste('q', 1:20, sep=''))
> depressionPre <- PreProc(depressionScale)
Warning message:
In PreProc(depressionScale) :
Items' vector unspecified. out$items is NULL...
>
>
>
>
>
> dev.off()
null device
1
>