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betafunctions is free open-source software and comes with absolutely no warranty. If any bugs or errors are encountered, please contact Haakon Haakstad at h.t.haakstad@cemo.uio.no. Suggestions for improvements and additional functionalities are welcome and encouraged.

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Version

Install

install.packages('betafunctions')

Monthly Downloads

509

Version

1.2.2

License

CC0

Maintainer

Haakon Haakstad

Last Published

September 16th, 2020

Functions in betafunctions (1.2.2)

Beta.2p.fit

Method of Moment Estimates of Shape-Parameters of the Two-Parameter (Standard) Beta Distribution.
LL.CA

An Implementation of the Livingston and Lewis (1995) Approach to Estimate Classification Consistency and Accuracy based on Observed Test Scores and Test Reliability.
Beta.gfx.poly.cdf

Coordinate Generation for Marking an Area Under the Curve for the Beta Cumulative Probability Density Distribution.
Beta.gfx.poly.qdf

Coordinate Generation for Marking an Area Under the Curve for the Beta Quantile Density Distribution.
Beta.4p.fit

Method of Moment Estimates of Shape- and Location Parameters of the Four-Parameter Beta Distribution.
ETL

Livingston and Lewis' "Effective Test Length".
Beta.gfx.poly.pdf

Coordinate Generation for Marking an Area Under the Curve for the Beta Probability Density Distribution.
BMS

Beta Shape Parameter Given Mean and Variance of a Standard Beta PDD.
MLB

Most Likely True Beta Value Given Observed Outcome.
AMS

Alpha Shape Parameter Given Mean and Variance of a Standard Beta PDD.
AUC

Area Under the ROC Curve.
dBeta.pBeta

An implementation of the Beta-density Compound Cumulative-Beta Distribution.
dBeta.pBinom

An implementation of the Beta-density Compound Cumulative-Binomial Distribution.
dBetaMS

Density Under a Specific Point of the Standard Beta PDD with Specific Mean and Variance or Standard Deviation.
dBeta.4P

Probability Density under the Four-Parameter Beta PDD.
pBeta.4P

Cumulative Probability Function under the Four-Parameter Beta Probability Density Distribution.
observedmoments

Compute Moments of Observed Value Distribution.
LL.ROC

ROC curves for the Livingston and Lewis approach.
MLA

Most Likely True Alpha Value Given Observed Outcome.
betamoments

Compute Moments of Two-to-Four Parameter Beta Probability Density Distributions.
caStats

Classification Accuracy Statistics.
MLM

Most Likely Mean of the Standard Beta PDD, Given that the Observation is Considered the Most Likely Observation of the Standard Beta PDD (i.e., Mode).
rBetaMS

Random Draw from the Standard Beta PDD With Specific Mean and Variance.
cba

Calculate Cronbach's Alpha from supplied variables.
qBetaMS

Quantile Containing Specific Proportion of the Distribution, Given a Specific Probability of the Standard Beta PDD with Specific Mean and Variance or Standard Deviation.
ccStats

Classification Consistency Statistics.
rBeta.4P

Random Number Generation under the Four-Parameter Beta Probability Density Distribution.
pBetaMS

Probability of Some Specific Observation under the Standard Beta PDD with Specific Mean and Variance.
qBeta.4P

Quantile Given Probability Under the Four-Parameter Beta Distribution.