read.azk: Read DMDX item file

In matsukik/read.dmdx: A set of functions to read DMDX-related files

Description

Read DMDX item file in either RTF format or ASCII format, and convert it into a list contaning the header information and data frame

Usage

read.azk(file, acc = FALSE, item.order = FALSE, read.max = 20000,
  warn = FALSE)

Arguments

file	A name of the file
acc	logical. If TURE, negative reaction time (DMDX's way of marking the trials with incorrect response) will be converted to positive, and then new column containing response accuracy information will be added.(column named ACC); Default to FALSE
item.order	logical. If TRUE, column containing item order will be produced. Default to FALSE
read.max	maximum number of lines to read at a time during initial parsing of the data file.
warn	logical. If FALSE (Default), messages form internally used functions (e.g., readLines, scan) will be muted.

Value

A data.frame containing following columns:

• sbj, subject number within the data file

• date, data colletion dat

• time, data collection time

• machine, name of the data collection machine

• refresh, reflecsh rate used

• id, ID assigned to the subject

• RT, response latency

and optionally,

• ACC, accuracy of responses

• item.order, order of the items

matsukik/read.dmdx documentation built on May 21, 2019, 12:57 p.m.