A Collection of Efficient and Extremely Fast R Functions II
Add many single terms to a model
Logistic regression for large scale data
Benchmark - Measure time
Naive Bayes classifier for binary Bernoulli data
Prediction with naive Bayes classifier for binary (Bernoulli) data
Bessel functions
BIC of many simple univariate regressions
The k-NN algorithm for really lage scale data
Cross-validation for the k-NN algorithm for really lage scale data
Binomial regression
Bootstrap James and Hotelling test for 2 independent sample mean vecto...
Bootstrap Student's t-test for 2 independent samples
One sample bootstrap permutation t-test for a vector
MLE of the Cauchy and generalised normal distributions with zero locat...
MLE of the left censored Poisson distribution
Censored Weibull regression model
MLE of the censored Weibull distribution
Circurlar correlations between two circular variables
Constrained least squares
Linear regression with clustered data
Many binary classification metrics
Column-wise summary statistics with grouping variables
Column and row-wise jackknife sample means
Column-wise MLE of some univariate distributions
Column-wise means and variances of a matrix
any metrics for a continuous response variable
Column-wise MLE of the angular Gaussian distribution
Column-wise weighted least squares meta analysis
Correlation significance testing using Fisher's z-transformation
Covariance between a variable and a set of variables
Distance between two covariance matrices
Hypothesis test for equality of a covariance matrix
Hypothesis tests for equality of multiple covariance matrices
Linear model with sandwich robust covariance estimator
Distance correlation matrix
Contour plots of some bivariate distributions
Mahalanobis depth
Item difficulty and discrimination
Empirical and exponential empirical likelihood test for a correlation ...
Empirical entropy
Energy test of equal univariate distributions
Forward Backward Early Dropping selection regression
Fixed effects regression
The skeleton of a Bayesian network produced by the FEDHC algorithm
Fixed intercepts Poisson regression
Fisher's linear discriminant analysis
Fractional polynomial regression with one independent variable
Frechet mean for compositional data with k-nearest neighbours
MLE of the gamma-Poisson distribution
Gamma regression with a log-link
Many Gamma regressions
GEE Gaussian regression
Gumbel regression
MLE of continuous univariate distributions defined on the positive lin...
Analysis of variance for circular data
Hellinger distance based regression for count data
Heteroscedastic linear models for large scale data
Hurdle-Poisson regression
Intersect Operation
Check if a matrix is Lower or Upper triangular
Check whether a square matrix is skew-symmetric
Jackknife sample mean
Many Jarque-Bera normality tests
Univariate and multivariate kernel density estimation
Kaplan-Meier estimate of a survival function
MLE of distributions defined for proportions
Diagonal values of the Hat matrix
Parametric and non-parametric bootstrap for linear regression model
backward selection with the F test or the partial correlation coeffici...
Single terms deletion hypothesis testing in a linear regression model
Many simple quantile regressions using logistic regressions
Split the matrix in lower, upper triangular and diagonal
Monte Carlo Integration with a normal distribution
Merge 2 sorted vectors in 1 sorted vector
Maximum likelihood linear discriminant analysis
The skeleton of a Bayesian network learned with the MMHC algorithm
Max-Min Parents and Children variable selection algorithm for continuo...
Max-Min Parents and Children variable selection algorithm for non cont...
Moran's I measure of spatial autocorrelation
Multinomial regression
Cross-validation for the multinomial regression
MLE of some circular distributions with multiple samples
Many score based regressions with muliple response variables and a sin...
Cross-validation for the naive Bayes classifiers
Negative binomial regression
Energy based normality test
Orthogonal matching variable selection
Score test for overdispersion in Poisson regression
Variable selection using the PC-simple algorithm
Principal component analysis
Principal components regression
Permutation t-test for one or two independent samples
Conditional least-squares estimate for Poisson INAR(1) models
Column-wise pooled variances across groups
Hellinger distance based univariate regression for proportions
Non linear least squares regression for percentages or proportions
MLE of the Purkayastha distribution
Sample quantiles and col/row wise quantiles
Random values generation from a Be(a, 1) distribution
Random effects and weighted least squares meta analysis
Regularised maximum likelihood linear discriminant analysis
Cross-validation for the regularised maximum likelihood linear discrim...
Really fast R functions
Angular Gaussian random values simulation
Repeated measures ANOVA (univariate data) using Hotelling's test
Random values simulation from various distributions
Random integer values simulation
Scaled logistic regression
Many score based zero inflated Poisson regressions
Silhouette function
Many approximate simple logistic regressions
Many 2 sample student's t-tests
Tobit regression
Trimmed mean
MLE of some truncated distributions
Naive Bayes classifiers for directional data
Prediction with some naive Bayes classifiers for circular data
Wald confidence interval for the ratio of two Poisson variables
Walter's confidence interval for the ratio of two binomial variables (...
Many simple Weibull regressions
Naive Bayes classifiers
Prediction with some naive Bayes classifiers
Many Welch tests
Cluster robust wild bootstrap for linear models
MLE of the zero inflated Gamma and Weibull distributions
Zero inflated Gamma regression
Zero truncated Poisson regression
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. References: Tsagris M., Papadakis M. (2018). Taking R to its limits: 70+ tips. PeerJ Preprints 6:e26605v1 <doi:10.7287/peerj.preprints.26605v1>.