Displaying 2 results from an estimated 2 matches for "byclass".
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2012 Aug 27
2
randomLCA
...rameter are estimated using
randomLCA?
For examples, model "dentistry.lca2random" estimate 1 scale (or
variance, b_j) parameter and 2 position parameters (a_cj)? Doesn't
it?
Do I need at least 4 diagnostic tests for such a model?
What happens if I specify options blocksize and byclass? How many
diagnostic tests (or rater) I need?
Extract from see "randomLCA examples", by Ken Beath.
> dentistry.lca2random <- randomLCA(dentistry[,
+ 1:5], freq = dentistry$freq, initmodel = dentistry.lca2,
+ nclass = 2, random = TRUE, quadpoints = 31,
+ probit = TRUE)
Thank you...
2009 Oct 13
2
splitting dataframe, assign to new dataframe, add new rows to new dataframe
Hi, all,
My objective is to split a dataframe named "cmbine" according to the value of "classes". After the split, I will take the first instance from each class and bin them into a new dataframe, "df1". In the 2nd iteration, I will take the 2nd available instance and bin them into another new dataframe, "df2".
>cmbine$names
apple tiger pencil chicken