Description Usage Arguments Details Value Note Author(s) See Also Examples
Returns the number of categories used by each participant in a free sorting task.
1 | calc.numcats(edta)
|
edta |
A data frame that includes the following columns:
|
Dataset lawson
provides an example of the format expected by
the calc.numcats function. Only the following columns are used, other
columns will be ignored:
SjNo
- integer; must be different for each participant.
CategoryNo
- integer. Each group that participant produced must
have a unique number. Other than that, the numbers are arbitrary.
A vector of integers. Each number is the number of categories produced by one participant.
The primary purpose of this function is to calculate the numcat
argument of function phi.intra.chance
. For this reason, only
numbers of categories are returned, not the associated subject
numbers.
Andy J. Wills (andy@willslab.co.uk)
1 2 3 | data(lawson)
edta <- lawson[lawson$ExptGroup == 2,]
calc.numcats(edta)
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