Description Usage Arguments Value History/development log Author(s) See Also Examples
View source: R/getBootCIalpha.R
function returning observed Cronbach alpha with bootstrap confidence interval around that value
1 2 3 4 5 6 7 8 9 10 |
dat |
data, matrix, data frame or tibble and numeric item data as columns |
verbose |
logical, if FALSE switches off messages |
na.rm |
logical which causes function to throw error if there is missing data |
nLT20err |
logical, throws error if length(na.omit(dat)) < 20, otherwise returns NA for CI |
nGT10kerr |
logical, throws error if length(na.omit(dat)) > 10k to prevent very long rusn, override with FALSE |
bootReps |
integer for number of bootstrap replications |
conf |
numeric confidence interval desired as fraction, e.g. .95 |
bootCImethod |
method of deriving bootstrap CI from "perc", "norm", "basic" or "bca" |
list of length 3: obsAlpha, LCLAlpha and UCLAlpha
Started before 5.iv.21
Chris Evans
Other bootstrap CI functions:
getBootCICSC()
,
getBootCICorr()
,
getBootCIgrpMeanDiff()
,
getBootCImean()
Other Chronbach alpha functions:
getChronbachAlpha()
1 2 3 4 5 6 7 8 9 10 | ## Not run:
set.seed(12345)
tmpMat <- matrix(rnorm(200), ncol = 10)
tmpDat <- as.data.frame(tmpMat)
tmpTib <- as_tibble(tmpDat)
### all default arguments
getBootCIalpha (tmpMat)
## End(Not run)
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