This file includes utilities of bspam package.

Usage

prep(
  data = data,
  person.id = "",
  task.id = "",
  sub.task.id = "",
  occasion = "",
  group = "",
  max.counts = "",
  obs.counts = "",
  time = "",
  cens = "",
  sentence_level = FALSE
)

Arguments

data: = student response data
person.id: Quoted variable name in person.data that indicates the unique person identifier.
task.id: Quoted variable name in person.data that indicates the unique task identifier. In the ORF assessment context, it is the passage identifier.
sub.task.id: Quoted variable name in person.data that indicates the unique sub task identifier. In the ORF assessment context, it is the sentence identifier. It is required when sentence_level is TRUE.
occasion: The column name in the data that represents the unique occasion.
group: The column name in the data that represents the unique group.
max.counts: Quoted variable name in person.data that indicates the number of attempts in the task. In the ORF assessment context, it is the number of words in the passage.
obs.counts: Quoted variable name in person.data that indicates the number of successful attempts in each task. In the ORF assessment context, it is the number of words read correctly for the passage.
time: Quoted variable name in person.data that indicates the time in seconds took to complete the task. In the ORF context, it is the time took to complete reading the passage.
cens: The column name in the data that represents the censoring indicators whether a specific task or sub task was censored (1) or fully observed (0).
sentence_level: flag for sentence or passage level data, default is FALSE

Value

data list (data.long: data frame, data.wide: list of Y, logT10, N, I)

Details

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. A copy of the GNU General Public License is available at http://www.gnu.org/licenses/

prep function prepares input data for fit.model function