Martin Maechler

85 packages 28 years on CRAN 0000-0002-8685-9910

R-Universe CRAN Search

Downloads

Last 30 days

22.4M

Last 90 days

79.1M

Last year

Average trend: -0.8% (30d vs prior 30d)

Top Packages by Downloads

1.5M

lme4

628.2K

car

498.2K

mvtnorm

437.5K

quantreg

396.7K

timeDate

386.9K

MatrixModels

386.6K

fracdiff

367.8K

SparseM

339.5K

bitops

266K

Portfolio Check Status

Aggregate CRAN check results across 26 maintained packages.

338

Recent Activity

fortunes updated v1.5-5 Jun 26, 2026

R Fortunes

glmbayes updated v0.9.6 Jun 21, 2026

Bayesian Generalized Linear Models (IID Samples)

nmathopencl new v0.8.2 Jun 21, 2026

'OpenCL'-Ported R 'Mathlib' for GPU-Accelerated Packages

Rcmdr updated v2.13.0 Jun 19, 2026

R Commander

DEoptimR updated v1.2-0 Jun 7, 2026

Differential Evolution Optimization in Pure R

mvtnorm updated v1.4-1 Jun 6, 2026

Multivariate Normal and t Distributions

opencltools new v0.8.1 Jun 3, 2026

'OpenCL' Tools for R Package Developers

rxode2 updated v5.1.2 Jun 2, 2026

Facilities for Simulating from ODE-Based Models

mvtnorm updated v1.4-0 May 29, 2026

Multivariate Normal and t Distributions

rxode2 updated v5.1.1 May 28, 2026

Facilities for Simulating from ODE-Based Models

Maintained Packages

26 packages

Package	Title	Downloads	Version
MatrixModels	Modelling with Sparse and Dense Matrices	386.6K	0.5-4
fracdiff	Fractionally Differenced ARIMA aka ARFIMA(P,d,q) Models	367.8K	1.5-4
bitops	Bitwise Operations	266K	1.0-9
Matrix	Sparse and Dense Matrix Classes and Methods	156.4K	1.7-5
cluster	"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.	151.1K	2.1.8.2
robustbase	Basic Robust Statistics	89.4K	0.99-7
expm	Matrix Exponential, Log, 'etc'	72.7K	1.0-0
Rmpfr	Interface R to MPFR - Multiple Precision Floating-Point Reliable	27.5K	1.1-2
stabledist	Stable Distribution Functions	25.5K	0.7-2
sfsmisc	Utilities from 'Seminar fuer Statistik' ETH Zurich	23.6K	1.1-24
diptest	Hartigan's Dip Test Statistic for Unimodality - Corrected	18.7K	0.77-2
copula	Multivariate Dependence with Copulas	12.8K	1.1-7
cobs	Constrained B-Splines (Sparse Matrix Based)	9.6K	1.3-9-1
nor1mix	Normal aka Gaussian 1-d Mixture Models	9.4K	1.3-3
Bessel	Computations and Approximations for Bessel Functions	6.9K	0.7-0
longmemo	Statistics for Long-Memory Processes (Book Jan Beran), and Related Functionality	4.5K	1.1-4
lokern	Kernel Regression Smoothing with Local or Global Plug-in Bandwidth	3.5K	1.1-12
round	Rounding to Decimal Digits	3.5K	0.21-0.2
DPQ	Density, Probability, Quantile ('DPQ') Computations	3.1K	0.6-1
DPQmpfr	DPQ (Density, Probability, Quantile) Distribution Computations using MPFR	3K	0.3-3
classGraph	Construct Graphs of S4 Class Hierarchies	2.7K	0.7-7
robustX	'eXtra' / 'eXperimental' Functionality for Robust Statistics	636	1.2-8
simest	Constrained Single Index Model Estimation	480	0.4-1-1
lpridge	Local Polynomial (Ridge) Regression	323	1.1-1
CLA	Critical Line Algorithm in Pure R	318	0.96-3
VLMC	Variable Length Markov Chains ('VLMC') Models	312	1.4-5

Co-authored Packages

21 packages

Package	Title	Downloads	Version
S7	An Object Oriented System Meant to Become a Successor to S3 and S4	1.5M	0.2.2
lme4	Linear Mixed-Effects Models using 'Eigen' and S4	628.2K	2.0-1
hexbin	Hexagonal Binning Routines	169.6K	1.28.5
polynom	A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations	156.8K	1.4-1
gplots	Various R Programming Tools for Plotting Data	107.7K	3.3.0
scatterplot3d	3D Scatter Plot	96.3K	0.3-45
glmmTMB	Generalized Linear Mixed Models using Template Model Builder	49.7K	1.1.14
pixmap	Bitmap Images / Pixel Maps	43.9K	0.4-14
mlmRev	Examples from Multilevel Modelling Software Review	14.5K	1.0-9
robust	Port of the S+ "Robust Library"	13K	0.7-5
fGarch	Rmetrics - Autoregressive Conditional Heteroskedastic Modelling	12.2K	4052.93
MEMSS	Data Sets from Mixed-Effects Models in S	11.9K	0.9-4
pcalg	Methods for Graphical Models and Causal Inference	6.5K	2.7-12
hdi	High-Dimensional Inference	3.7K	0.1-10
SASmixed	Data Sets from "SAS System for Mixed Models	3.4K	1.0-5
simsalapar	Tools for Simulation Studies in Parallel	3.2K	1.0-13
copulaData	Data Sets for Copula Modeling	773	0.0-2
RcppBessel	Bessel Functions Rcpp Interface	535	1.0.1
GLDEX	Fitting Single and Mixture of Generalised Lambda Distributions	434	2.0.0.9.4
animint2	Animated Interactive Grammar of Graphics	403	2025.10.17
norMmix	Direct MLE for Multivariate Normal Mixture Distributions	233	0.2-0

Contributions

33 packages

Package	Title	Downloads	Version
car	Companion to Applied Regression	498.2K	3.1-5
mvtnorm	Multivariate Normal and t Distributions	437.5K	1.4-1
quantreg	Quantile Regression	396.7K	6.1
timeDate	Rmetrics - Chronological and Calendar Objects	386.9K	4052.112
SparseM	Sparse Linear Algebra	339.5K	1.84-2
DEoptimR	Differential Evolution Optimization in Pure R	89.5K	1.2-0
DescTools	Tools for Descriptive Statistics	53.3K	0.99.60
gmp	Multiple Precision Arithmetic	51.6K	0.7-5.1
TMB	Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'	51.4K	1.9.21
timeSeries	Financial Time Series Objects (Rmetrics)	30.6K	4052.112
Rcmdr	R Commander	25.2K	2.13.0
fBasics	Rmetrics - Markets and Basic Statistics	23.1K	4052.98
blme	Bayesian Linear Mixed-Effects Models	9.7K	1.0-7
gnm	Generalized Nonlinear Models	8.9K	1.1-5
akima	Interpolation of Irregularly and Regularly Spaced Data	8.4K	0.6-3.6
ECOSolveR	Embedded Conic Solver in R	7K	0.6.1
sdmTMB	Spatial and Spatiotemporal SPDE-Based GLMMs with 'TMB'	5.7K	1.0.0
fortunes	R Fortunes	4.7K	1.5-5
rxode2	Facilities for Simulating from ODE-Based Models	3.7K	5.1.2
fMultivar	Rmetrics - Modeling of Multivariate Financial Return Distributions	1.4K	4031.84
analogue	Analogue and Weighted Averaging Methods for Palaeoecology	790	0.18.1
stan4bart	Bayesian Additive Regression Trees with Stan-Sampled Parametric Extensions	655	0.0-12
galamm	Generalized Additive Latent and Mixed Models	592	0.4.0
glmbayes	Bayesian Generalized Linear Models (IID Samples)	552	0.9.6
opencltools	'OpenCL' Tools for R Package Developers	490	0.8.1
papeR	A Toolbox for Writing Pretty Papers and Reports	468	1.0-6
hexDensity	Fast Kernel Density Estimation with Hexagonal Grid	339	1.4.10
flint	Fast Library for Number Theory	282	0.1.4
RankingProject	The Ranking Project: Visualizations for Comparing Populations	279	0.4.0
plgraphics	User Oriented Plotting Functions	272	1.3
complexlm	Linear Fitting for Complex Valued Data	250	1.1.3
sgolay	Efficient Savitzky-Golay Filtering	250	1.0.3
nmathopencl	'OpenCL'-Ported R 'Mathlib' for GPU-Accelerated Packages	158	0.8.2

Other Roles

5 packages

Package	Title	Downloads	Version
rstanarm	Bayesian Applied Regression Modeling via Stan	59.3K	2.32.2
RobStatTM	Robust Statistics: Theory and Methods	10.2K	1.0.11
MatrixExtra	Extra Methods for Sparse Matrices	5.9K	0.1.15
groc	Generalized Regression on Orthogonal Components	313	1.0.10
adestr	Estimation in Optimal Adaptive Two-Stage Designs	273	1.0.0

Roles

Maintains 26

Co-authors 21

Contributes 34

Impact

4.7K

packages depend on their work

Frequent Collaborators

Ben Bolker 15 pkgs

Douglas Bates 12 pkgs

Bill Venables 7 pkgs

Robert Gentleman 7 pkgs

Brian Ripley 6 pkgs

Diethelm Wuertz 6 pkgs

Ross Ihaka 6 pkgs

Yohan Chalabi 6 pkgs

+4 more

On CRAN Since

Aug 19, 1998

28 years active

Links

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