Fast R Functions

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Documentation for package ‘Rfast’ version 1.7.5

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Rfast-package Really fast R functions
allbetas Simple linear regressions coefficients
all_equals Equality of objects
anovas Many multi-sample tests
beta.mle MLE of the Beta distribution
binary_search Binary search algorithm
check_data Search for variables with zero range in a matrix
colhameans Column and row-wise means of a matrix
colMads Column and row-wise mean absolute deviations
colMaxs Column-wise minimum and maximum of a matrix
colmeans Column and row-wise means of a matrix
colMedians Column and row-wise medians
colMins Column-wise minimum and maximum of a matrix
colMinsMaxs Column-wise minimum and maximum of a matrix
colrange Column and row-wise range of values of a matrix.
colsums Column and row-wise sums of a matrix
colVars Column and row-wise variances and standard deviations of a matrix
comb_n All k possible combinations from n elements
cor.fsreg Correlation based forward regression.
cora Fast covariance and correlation matrix calculation
correls Correlation between a vector and a set of variables
count_value Count the frequency of a value
cova Fast covariance and correlation matrix calculation
data.frame.to_matrix Convert a dataframe to matrix
design_matrix Design Matrix
Digamma Natural logarithm of the gamma function and its derivatives.
diri.nr2 Fitting a Dirichlet distribution via Newton-Rapshon
Dist Distance matrix
dista Distance between vectors and a matrix
floyd Floyd-Warshall algorithm for shortest paths in a directed graph
ftests Many multi-sample tests
g2Test G-square test of conditional indepdence
g2Test_perm G-square test of conditional indepdence
g2Test_univariate G-square test of indepdence
g2Test_univariate_perm G-square test of indepdence
hash.find Find the given value in a hash table
hash.list Hash - Pair function
is.symmetric Check whether a square matrix is symmetric
is_element Find element
Lgamma Natural logarithm of the gamma function and its derivatives.
logistic_only Many univariate simple binary logistic regressions
mahala Mahalanobis distance
Match Match
med Median of a vector
min_max Minimum and maximum of a vector
mvbetas Many multivariate simple linear regressions coefficients
negbin.mle MLE of count data
nth The nth smallest value of a vector
Order Order
permutation Permutation
permutation.next Permutation
permutation.prev Permutation
poisson_only Many univariate simple poisson regressions
proptests Many 2 sample proportions tests
racg Angular central Gaussian random values simulation
regression Many univariate simple linear regressions
rmvlaplace Multivariate Laplace random values simulation
rmvnorm Multivariate normal and t random values simulation
rmvt Multivariate normal and t random values simulation
rowhameans Column and row-wise means of a matrix
rowMaxs Row-wise minimum and maximum of a matrix.
rowmeans Column and row-wise means of a matrix
rowMedians Column and row-wise medians
rowMins Row-wise minimum and maximum of a matrix.
rowrange Column and row-wise range of values of a matrix.
rowsums Column and row-wise sums of a matrix
rowVars Column and row-wise variances and standard deviations of a matrix
score.betaregs Many score based Beta regressions
score.glms Many score based GLM regressions
score.multinomregs Many score based GLM regressions
score.negbinregs Many score based negative binomial regressions
score.weibregs Many score based Weibull regressions
sort_cor_vectors Sort
sort_index Sort
sort_mat Sorting of the columns of a matrix
sort_unique Sort and unique
spat.med Spatial median for Euclidean data
standardise Standardisation
Trigamma Natural logarithm of the gamma function and its derivatives.
ttests Many 2 sample tests t-tests
univglms Many univariate generalised linear regressions
Var Variance of a vector
weibull.mle MLE of the Weibull distribution
which_isFactor Index of the columns of a data.frame which are factor variables
zip.mle MLE of count data
ztp.mle MLE of count data