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quickpsy (version 0.1.0)

Fits Psychometric Functions for Multiple Groups

Description

Quickly fits and plots psychometric functions (normal, logistic, Weibull or any or any function defined by the user) for multiple groups.

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Version

Install

install.packages('quickpsy')

Monthly Downloads

307

Version

0.1.0

License

MIT + file LICENSE

Maintainer

Linares Daniel

Last Published

April 29th, 2015

Functions in quickpsy (0.1.0)

cum_normal_fun

Cumulative normal function
one_loglik

Creates the loglik for one condition one_loglik creates the loglik for one condition one_loglik
plotpar_

Plot the values of the parameters
plotcurves

Plot the curves
weibull_fun

Weibull function
get_functions

Predefined functions
quickpsy_

Fits psychometric functions
one_parameters

Obtains the parameters for one condition one_parameters obtains the parameters for one condition
logistic_fun

Logistic function
inv_weibull_fun

Inverse Weibull function
one_thresholdsci

Calculates the confidence intervals for the threshold of one condition one_thresholdsci calculates the confidence intervals for the threshold of one condition
plotcurves_

Plot the curves
one_limit

Creates the limits for one condition one_limit creates the limits for one condition
one_curve

Creates the curve for one condition one_curve Creates the curve for one condition
fitpsy

Fits the curve fitpsy fits de curve
create_nll

Creates the negative log-likelihood function create_nll Creates the negative log-likelihood function
limits

Creates the limits limits creates the limits
one_threshold

Calculates the threshold for one condition one_threshold calculates the threshold for one condition one_threshold
one_parci

Calculates the confidence intervals for one condition one_parci calculates the confidence intervals for one condition
plotpar

Plot the values of the parameters
parbootstrap

Creates bootstrap samples of the parameters
inv_cum_normal_fun

Inverse cumulative normal function
qpdat

Data set for demonstration
curvesbootstrap

Creates the bootstrap curves curvesbootstrap creates the bootstrap curves
parci

Calculates the confidence intervals for the parameters parci calculates the confidence intervals for the parameters
thresholdsci

Calculates the confidence intervals for the thresholds thresholdsci calculates the confidence intervals for the thresholds
thresholdsbootstrap

Calculates bootstrap thresholds thresholdsbootstrap calculates bootstrap thresholds
one_ypred

Calculate the predictions of the response variable for one condition one_ypred calculate the predictions of the response variable for one condition
quickpsy

Fits psychometric functions
plotthresholds

Plot the thresholds
inv_logistic_fun

Inverse logistic function
plotthresholds_

Plot the thresholds
parn

Performs the bootstrap for one condition one_bootstrap performs the bootstrap for one condition
parameters

Calculates the parameters parameters calculates the parameters
quickreadfiles

Reads several files
ypred

Predicted probabilities
create_psy_fun

Creates the psychometric function create_psy_fun creates the psychometric function
parini

Calculates some initial parameters parini calculates some initial parameters
thresholds

Calculates the thresholds
logliks

Calculates the loglikelihoods