summary.irt.pars {plink} | R Documentation |
This function summarizes the item parameters for a given object. If the object is
of class "link"
, the function prints the linking constants
## S3 method for class 'irt.pars': summary(object, descrip = FALSE, ...) ## S3 method for class 'sep.pars': summary(object, descrip = FALSE, ...) ## S3 method for class 'list': summary(object, descrip = FALSE, ...) ## S3 method for class 'link': summary(object, descrip = FALSE, ...)
object |
an R object. See details below |
... |
further arguments passed to or from other methods |
descrip |
if TRUE ,print descriptive statistics for the item parameters in
object . |
The method for objects of class "irt.pars"
summarizes the parameters for a single
group or multiple groups. If multiple groups are included in the object, parameters will
be summarized for each group separately.
The method for objects of class "sep.pars"
summarizes the parameters for a single
"sep.pars"
object.
Objects of class "list"
can include any combination of "irt.pars"
or
"sep.pars"
objects. The parameters will be summarized for each group separately.
The method for objects of class "link"
prints the linking constants for n-1 groups.
If descrip
= TRUE
, the method summarizes the parameters for all groups
separately. The labels are specficied in the following manner "group1/group2", meaning
the group1 parameters were transformed to the group2 test using the associated constants.
The base group is indicated by an asterisk.
Jonathan P. Weeks weeksjp@gmail.com
as.irt.pars
, irt.pars
, sep.pars
,
sep.pars
, link