22 December 2022 1 6K Report

data set (227 case x 6 items, no missing values) name = 'nepr'

code entered is:

>out=polychoric(nepr)

error message is:

Error in if (any(lower>upper)) stop("lower>upper integration limits"): missing value where TRUE/FALSE needed

In addition: warning messages:

1: In polychoric(nepr): the items do not have an equal number of response alternatives, global set to FALSE

2: in qnorm(cumsum(rsum)[-length(rsum)]): NaNs produced

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