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psyphy (version 0.1-9)

Functions for analyzing psychophysical data in R

Description

An assortment of functions that could be useful in analyzing data from psychophysical experiments. It includes functions for calculating d' from several different experimental designs, links for m-alternative forced-choice (mafc) data to be used with the binomial family in glm (and possibly other contexts) and self-Start functions for estimating gamma values for CRT screen calibrations.

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Version

Install

install.packages('psyphy')

Monthly Downloads

317

Version

0.1-9

License

GPL

Maintainer

Ken Knoblauch

Last Published

January 22nd, 2014

Functions in psyphy (0.1-9)

ecc2

4-afc Detection and Identification of Letters
dprime.SD

d' for Same-different Paradigm
mafc

Links for Binomial Family for m-alternative Forced-choice
psyfun.2asym

Fit Psychometric Functions and Upper and Lower Asymptotes
summary.lambda

Summary Method for Objects of Class `lambda'
RGB

Luminance Calibration Data from Video Projector
dprime.mAFC

d' for m-alternative Forced-choice
glm.WH

mafc Probit Fit to Psychometric Function with Upper Asymptote Less than One
dprime.ABX

d' for ABX Paradigm
SS.RGBcalib

Self-Start Functions for Fitting Luminance vs Grey Level Relation on CRT displays
glm.lambda

mafc Probit Fit to Psychometric Function Profiled on Upper Asymptote
psyphy-package

Functions for analyzing psychophysical functions
dprime.oddity

d' for 3 Stimulus Oddity Paradigm
probit.lambda

mafc Probit Link for Binomial Family with Upper Asymptote < 1
logit.2asym

Links for Binomial Family with Variable Upper/Lower Asymptotes