Calculates the values of statistical Z3 for individuals.
Usage
z3_personf(data, zita, patterns)
Arguments
data
a data frame or a matrix with the test.
zita
Matrix whose columns are the estimations of the parameters of the items (discrimination,d=-discrimnation*difficulty, guessing).
patterns
list of patterns response (patterns$patterns), the frequency of each pattern (patterns$freq) and the latent traits (patterns$latent_traits).
References
Fritz Drasgow, Michael V. Levine and Esther A. Williams (1985). Appropiateness measurement with polychotomous item response models and standarized indices.