Martin Maechler

84 packages On CRAN since Aug 1977 (48 years) · last active 2 days ago 0000-0002-8685-9910

R-Universe CRAN Search

Downloads

6.1M

Last 30 days

21M

Last 90 days

81.4M

Last year

Average trend: +6.8% (30d vs prior 30d)

Top Packages by Downloads

1.4M

lme4

663.4K

car

385.6K

mvtnorm

363.4K

quantreg

330.8K

MatrixModels

326.6K

timeDate

306.5K

fracdiff

299K

SparseM

279K

bitops

249.1K

Portfolio Check Status

Aggregate CRAN check results across 26 maintained packages.

NOTE

313

Needs attention

DPQ NOTE Rmpfr NOTE cluster NOTE copula NOTE expm NOTE

Recent Activity

TMB updated v1.9.23 Jul 23, 2026

Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'

flint updated v0.1.5 Jul 22, 2026

Fast Library for Number Theory

TMB updated v1.9.22 Jul 21, 2026

Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'

rxode2 updated v5.1.4 Jul 20, 2026

Facilities for Simulating from ODE-Based Models

glmbayes updated v0.9.7 Jul 19, 2026

Bayesian Generalized Linear Models (IID Samples)

rxode2 updated v5.1.3 Jul 19, 2026

Facilities for Simulating from ODE-Based Models

lme4 updated v2.0-6 Jul 16, 2026

Linear Mixed-Effects Models using 'Eigen' and S4

nmathopencl updated v0.8.3 Jul 15, 2026

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

mvtnorm updated v1.4-2 Jul 12, 2026

Multivariate Normal and t Distributions

opencltools updated v0.8.2 Jul 11, 2026

'OpenCL' Tools for R Package Developers

Maintained Packages

26 packages

Package	Title	Downloads	Version
MatrixModels	Modelling with Sparse and Dense Matrices	326.6K	0.5-4
fracdiff	Fractionally Differenced ARIMA aka ARFIMA(P,d,q) Models	299K	1.5-4
bitops	Bitwise Operations	249.1K	1.0-9
Matrix	Sparse and Dense Matrix Classes and Methods	146.4K	1.7-5
cluster	"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.	121.8K	2.1.8.2
robustbase	Basic Robust Statistics	78.5K	0.99-7
expm	Matrix Exponential, Log, 'etc'	66.1K	1.0-0
Rmpfr	Interface R to MPFR - Multiple Precision Floating-Point Reliable	24.2K	1.1-2
stabledist	Stable Distribution Functions	20.5K	0.7-2
sfsmisc	Utilities from 'Seminar fuer Statistik' ETH Zurich	19K	1.1-24
diptest	Hartigan's Dip Test Statistic for Unimodality - Corrected	15.4K	0.77-2
copula	Multivariate Dependence with Copulas	10.9K	1.1-7
nor1mix	Normal aka Gaussian 1-d Mixture Models	8.8K	1.3-3
cobs	Constrained B-Splines (Sparse Matrix Based)	6.6K	1.3-9-1
Bessel	Computations and Approximations for Bessel Functions	5.5K	0.7-0
longmemo	Statistics for Long-Memory Processes (Book Jan Beran), and Related Functionality	2.7K	1.1-4
lokern	Kernel Regression Smoothing with Local or Global Plug-in Bandwidth	1.6K	1.1-12
round	Rounding to Decimal Digits	1.6K	0.21-0.2
DPQ	Density, Probability, Quantile ('DPQ') Computations	1.4K	0.6-1
DPQmpfr	DPQ (Density, Probability, Quantile) Distribution Computations using MPFR	1.4K	0.3-3
classGraph	Construct Graphs of S4 Class Hierarchies	1.1K	0.7-7
robustX	'eXtra' / 'eXperimental' Functionality for Robust Statistics	427	1.2-8
CLA	Critical Line Algorithm in Pure R	271	0.96-3
simest	Constrained Single Index Model Estimation	261	0.4-1-1
lpridge	Local Polynomial (Ridge) Regression	230	1.1-1
VLMC	Variable Length Markov Chains ('VLMC') Models	228	1.4-5

Co-authored Packages

20 packages

Package	Title	Downloads	Version
S7	An Object Oriented System Meant to Become a Successor to S3 and S4	1.4M	0.2.2
lme4	Linear Mixed-Effects Models using 'Eigen' and S4	663.4K	2.0-6
hexbin	Hexagonal Binning Routines	140.3K	1.28.5
polynom	A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations	134.6K	1.4-1
gplots	Various R Programming Tools for Plotting Data	95K	3.3.0
scatterplot3d	3D Scatter Plot	75.3K	0.3-45
glmmTMB	Generalized Linear Mixed Models using Template Model Builder	45.5K	1.1.14
pixmap	Bitmap Images / Pixel Maps	38.4K	0.4-14
mlmRev	Examples from Multilevel Modelling Software Review	10.7K	1.0-9
robust	Port of the S+ "Robust Library"	8.9K	0.7-5
MEMSS	Data Sets from Mixed-Effects Models in S	8.5K	0.9-4
fGarch	Rmetrics - Autoregressive Conditional Heteroskedastic Modelling	7.6K	4052.93
pcalg	Methods for Graphical Models and Causal Inference	6K	2.7-12
simsalapar	Tools for Simulation Studies in Parallel	1.8K	1.0-13
SASmixed	Data Sets from "SAS System for Mixed Models	1.7K	1.0-5
copulaData	Data Sets for Copula Modeling	426	0.0-2
GLDEX	Fitting Single and Mixture of Generalised Lambda Distributions	358	2.0.0.9.4
animint2	Animated Interactive Grammar of Graphics	349	2025.10.17
RcppBessel	Bessel Functions Rcpp Interface	344	1.0.1
norMmix	Direct MLE for Multivariate Normal Mixture Distributions	213	0.2-0

Contributions

33 packages

Package	Title	Downloads	Version
car	Companion to Applied Regression	385.6K	3.1-5
mvtnorm	Multivariate Normal and t Distributions	363.4K	1.4-2
quantreg	Quantile Regression	330.8K	6.1
timeDate	Rmetrics - Chronological and Calendar Objects	306.5K	4052.112
SparseM	Sparse Linear Algebra	279K	1.84-2
DEoptimR	Differential Evolution Optimization in Pure R	80.9K	1.2-0
TMB	Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'	51.4K	1.9.23
gmp	Multiple Precision Arithmetic	44.9K	0.7-5.1
DescTools	Tools for Descriptive Statistics	44.1K	0.99.60
timeSeries	Financial Time Series Objects (Rmetrics)	22K	4052.112
Rcmdr	R Commander	17.4K	2.13.0
fBasics	Rmetrics - Markets and Basic Statistics	16.3K	4052.98
blme	Bayesian Linear Mixed-Effects Models	8.1K	1.0-7
gnm	Generalized Nonlinear Models	7.2K	1.1-5
ECOSolveR	Embedded Conic Solver in R	6K	0.6.1
akima	Interpolation of Irregularly and Regularly Spaced Data	5.3K	0.6-3.6
sdmTMB	Spatial and Spatiotemporal SPDE-Based GLMMs with 'TMB'	3.6K	1.1.0
fortunes	R Fortunes	3.5K	1.5-5
rxode2	Facilities for Simulating from ODE-Based Models	2.7K	5.1.4
nmathopencl	'OpenCL'-Ported R 'Mathlib' for GPU-Accelerated Packages	1.8K	0.8.3
fMultivar	Rmetrics - Modeling of Multivariate Financial Return Distributions	1.5K	4031.84
analogue	Analogue and Weighted Averaging Methods for Palaeoecology	656	0.18.1
stan4bart	Bayesian Additive Regression Trees with Stan-Sampled Parametric Extensions	469	0.0-12
glmbayes	Bayesian Generalized Linear Models (IID Samples)	441	0.9.7
papeR	A Toolbox for Writing Pretty Papers and Reports	429	1.0-6
galamm	Generalized Additive Latent and Mixed Models	410	0.4.0
opencltools	'OpenCL' Tools for R Package Developers	378	0.8.2
sgolay	Efficient Savitzky-Golay Filtering	255	1.0.4
flint	Fast Library for Number Theory	245	0.1.5
plgraphics	User Oriented Plotting Functions	244	1.3
hexDensity	Fast Kernel Density Estimation with Hexagonal Grid	240	1.4.10
RankingProject	The Ranking Project: Visualizations for Comparing Populations	224	0.4.0
complexlm	Linear Fitting for Complex Valued Data	222	1.1.3

Other Roles

5 packages

Package	Title	Downloads	Version
rstanarm	Bayesian Applied Regression Modeling via Stan	43.8K	2.32.2
RobStatTM	Robust Statistics: Theory and Methods	8.2K	1.0.11
MatrixExtra	Extra Methods for Sparse Matrices	4.1K	0.1.15
adestr	Estimation in Optimal Adaptive Two-Stage Designs	304	1.0.0
groc	Generalized Regression on Orthogonal Components	245	1.0.10

Bioconductor Packages

1 package

Package	Title	Category	Version
codetoolsBioC Bioc removed	Bioconductor Extensions for R Code Analysis Tools		1.1.0

Roles

Maintains 26

Co-authors 20

Contributes 34

Impact

4.7K

packages depend on their work

dependency h-index

packages with 10+ dependents

Most depended on

Matrix 1,783 deps

mvtnorm 1,095 deps

lme4 569 deps

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

View collaborator network →

Career

On CRAN since Aug 1977 (48 years) · last active 2 days ago

Links

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