Description Usage Arguments Value Author(s)
Internal function to compute -2LL using unstandardized parameters.
1 | min2LL_ono(N, J, Y, MISS, as, bs, theta, Ms, Kaps)
|
N |
The number of observations. (> 0) |
J |
The number of items. (> 0) |
Y |
A N by J matrix of item responses. |
MISS |
A N by J matrix of missing data indicators. |
as |
A matrix of item loadings. |
bs |
A vector of threshold parameters. |
theta |
A matrix of factor scores. |
Ms |
A vector of the number of score categories. Note 2 = two parameter normal ogive, >2 ordinal normal ogive. |
Kaps |
A matrix of category thresholds. |
-2LL.
Steven Andrew Culpepper
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