person.stat {fsia} | R Documentation |
Person Statistics
Description
This function computes some statistics for each person.
Usage
person.stat(obj, columns, weights = FALSE)
Arguments
obj |
An object containing the data imported by function |
columns |
A vector containing which columns to use. Columns can be specified by name or number. |
weights |
Logical. If TRUE weights are used to compute the score. |
Value
A data frame with the following variables.
id |
person label. |
score |
total score for each person. If |
max |
maximum score for each person. |
perc |
ratio between score and max. |
Author(s)
Michela Battauz
See Also
Examples
data(test)
data(key)
data(weights)
data(weights_multiple)
testk <- addkey(test, keydata = key)
testw <- addweights(testk, weightsdata = weights)
testwm <- addweights(test, weightsdata = weights_multiple)
# number of correct responses for each person (only 4 items)
pst <- person.stat(obj = testk, col = 2:5)
pst
# sum of weights of correct responses for each person
pst <- person.stat(obj = testw, col = 2:5, weights = TRUE)
pst
# sum of weights of every response for each person
pst <- person.stat(obj = testwm, col = 2:5, weights = TRUE)
pst
[Package fsia version 1.1.1 Index]