inst/ShinyItemAnalysis/sc/tia/tia.R
In patriciamar/ShinyItemAnalysis: Test and Item Analysis via Shiny
library(psych)
library(ShinyItemAnalysis)
# loading data
data(GMAT, package = "difNLR")
Data <- GMAT[, 1:20]
# difficulty and discrimination plot
DDplot(Data, discrim = "ULI", k = 3, l = 1, u = 3)
# Cronbach alpha
psych::alpha(Data)
# traditional item analysis table
ItemAnalysis(Data)
patriciamar/ShinyItemAnalysis documentation built on April 29, 2024, 10:46 p.m.
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library(psych)
library(ShinyItemAnalysis)
# loading data
data(GMAT, package = "difNLR")
Data <- GMAT[, 1:20]
# difficulty and discrimination plot
DDplot(Data, discrim = "ULI", k = 3, l = 1, u = 3)
# Cronbach alpha
psych::alpha(Data)
# traditional item analysis table
ItemAnalysis(Data)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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