item_attrib-class {TestDesign} | R Documentation |
Load item attributes
Description
loadItemAttrib
can read item attributes a data.frame
or a .csv file.
loadItemAttrib
is a data loading function for creating an item_attrib
object.
Usage
loadItemAttrib(object, pool)
Arguments
object |
item attributes. Can be a |
pool |
an |
Value
loadItemAttrib
returns an item_attrib
object.
data
adata.frame
containing item attributes.
See Also
dataset_science
, dataset_reading
, dataset_fatigue
, dataset_bayes
for examples.
Examples
## Read from data.frame:
itempool_science <- loadItemPool(itempool_science_data)
itemattrib_science <- loadItemAttrib(itemattrib_science_data, itempool_science)
## Read from file: write to tempdir() for illustration and clean afterwards
f <- file.path(tempdir(), "itemattrib_science.csv")
write.csv(itemattrib_science_data, f, row.names = FALSE)
itemattrib_science <- loadItemAttrib(f, itempool_science)
file.remove(f)
[Package TestDesign version 1.6.1 Index]