A Collection of Efficient and Extremely Fast R Functions II

A collection of fast statistical and utility functions for data analysis. Functions for regression, maximum likelihood, column-wise statistics and many more have been included. C++ has been utilized to speed up the functions.

News

_Rfast2_

New version

Date release: 08/05/2019

Statistical functions

Improved (by speed, correctness or options)

Function What's new!

New

| Function | What's new! | | gee.reg | Gereneralised estimating equations Gaussian regression | | halfcauchy.mle | MLE of the half Cauchy distribution | | kumar.mle | MLE of the Kumaraswamy distribution | | powerlaw.mle | MLE of the power law distribution | | reg.mle.lda | Regularised maximum likleihood linear discriminant analysis | | walter.ci | Confidence interval for the relative risk using Walter's method | | welch.tests | Many Welch t-tests | | | |

Utility functions

Improved (by speed, correctness or options)

Function What's new!

New

Function What's new!

Version 0.0.1

Date release: 19/03/2019

Statistical functions

Improved (by speed, correctness or options)

Function What's new!

New

Function What's new!

add.term Add many single terms to a model.

bic.regs BIC of many univariate regressions.

censpois.mle MLE of the left censored Poisson distribution.

cesweibull.mle MLE of the censored Weibull distribution.

circ.cor1 Circurlar correlations between two circular variables.

circ.cors1 Circurlar correlations between a circular and many circular variables.

colmeansvars Column-wise means and variances of a matrix.

covar Covariance betweeen a vector and a matrix.

diffic Difficulty of items (psychometric theory).

discrim Discrimination of items (psychometric theory).

gammapois.mle MLE of the gamma-Poisson distribution.

km Kaplan-Meier estimate of a survival function.

logiquant.regs Many simple quantile regressions using logistic regressions.

mle.lda Maximum likelihood linear discriminant analysis.

pc.sel Variable selection using the PC-simple algorithm.

pooled.colVars Column-wise pooled variances across groups.

purka.mle MLE of the Purkayastha distribution.

sp.logiregs Many approximate simple logistic regressionss.

trunccauchy.mle MLE of the truncated Cauchy distribution.

truncexpmle MLE of the truncated exponential distribution.

wald.poisrat Wald confidence interval for the ratio of two Poisson variables.

col.waldpoisrat Column-wise Wald confidence interval for the ratio of two Poisson variables.

welch.tests Many Welch tests.

zigamma.mle MLE of the zero inflated Gamma distribution.

ziweibull.mle MLE of the zero inflated Weibull distribution.

zil.mle MLE of the zero inflated logistic normal distribution.

Function	What's new!
add.term	Add many single terms to a model.
bic.regs	BIC of many univariate regressions.
censpois.mle	MLE of the left censored Poisson distribution.
cesweibull.mle	MLE of the censored Weibull distribution.
circ.cor1	Circurlar correlations between two circular variables.
circ.cors1	Circurlar correlations between a circular and many circular variables.
colmeansvars	Column-wise means and variances of a matrix.
covar	Covariance betweeen a vector and a matrix.
diffic	Difficulty of items (psychometric theory).
discrim	Discrimination of items (psychometric theory).
gammapois.mle	MLE of the gamma-Poisson distribution.
km	Kaplan-Meier estimate of a survival function.
logiquant.regs	Many simple quantile regressions using logistic regressions.
mle.lda	Maximum likelihood linear discriminant analysis.
pc.sel	Variable selection using the PC-simple algorithm.
pooled.colVars	Column-wise pooled variances across groups.
purka.mle	MLE of the Purkayastha distribution.
sp.logiregs	Many approximate simple logistic regressionss.
trunccauchy.mle	MLE of the truncated Cauchy distribution.
truncexpmle	MLE of the truncated exponential distribution.
wald.poisrat	Wald confidence interval for the ratio of two Poisson variables.
col.waldpoisrat	Column-wise Wald confidence interval for the ratio of two Poisson variables.
welch.tests	Many Welch tests.
zigamma.mle	MLE of the zero inflated Gamma distribution.
ziweibull.mle	MLE of the zero inflated Weibull distribution.
zil.mle	MLE of the zero inflated logistic normal distribution.

Utility functions

Improved (by speed, correctness or options)

Function What's new!

New

Function What's new!

Intersect Intersect as R's.

is.lower.tri Check if a matrix is lower triangular.

is.upper.tri Check if a matrix is upper triangular.

lud Split a matrix to a lower,upper matrix and diagonal vector.

Merge Merge 2 sorted vectors to a sorted vector.

benchmark Measure code's execution time.

colGroup Apply Rfast's gorup function to each column with some restrictions.

Quantile Quantile(s) of a vector.

colQuantile Column-wise quantile(s) of a matrix.

rowQuantile Row-wise quantile(s) of a matrix.

trim.mean Trimmed mean of a vector.

colTrimMean Column-wise trimmed mean of a matrix.

rowTrimMean Row-wise trimmed mean of a matrix.

Function	What's new!
Intersect	Intersect as R's.
is.lower.tri	Check if a matrix is lower triangular.
is.upper.tri	Check if a matrix is upper triangular.
lud	Split a matrix to a lower,upper matrix and diagonal vector.
Merge	Merge 2 sorted vectors to a sorted vector.
benchmark	Measure code's execution time.
colGroup	Apply Rfast's gorup function to each column with some restrictions.
Quantile	Quantile(s) of a vector.
colQuantile	Column-wise quantile(s) of a matrix.
rowQuantile	Row-wise quantile(s) of a matrix.
trim.mean	Trimmed mean of a vector.
colTrimMean	Column-wise trimmed mean of a matrix.
rowTrimMean	Row-wise trimmed mean of a matrix.