Martin Maechler

86 packages On CRAN since Aug 1977 (49 years) · last active 7 days ago 0000-0002-8685-9910

R-Universe CRAN Search

Downloads

6.2M

Last 30 days

20.3M

Last 90 days

83.2M

Last year

Average trend: -6.9% (30d vs prior 30d)

Top Packages by Downloads

1.5M

lme4

605.8K

car

405K

quantreg

362.6K

MatrixModels

358.8K

mvtnorm

349.3K

timeDate

287K

bitops

278.5K

fracdiff

268.7K

SparseM

259.5K

Portfolio Check Status

Aggregate CRAN check results across 27 maintained packages.

NOTE

325

Needs attention

DPQ NOTE Rmpfr NOTE VLMC NOTE copula NOTE expm NOTE robustbase NOTE

Recent Activity

glmbayesCore new v0.5.3 Aug 5, 2026

Core C++ Sampling Engine for 'glmbayes'

glmbayes new v0.9.75 Aug 4, 2026

Bayesian Generalized Linear Models (IID Samples)

rxode2 updated v5.1.6 Aug 4, 2026

Facilities for Simulating from ODE-Based Models

opencltools updated v0.8.3 Aug 4, 2026

'OpenCL' Tools for R Package Developers

sfsmisc updated v1.1-25 Aug 3, 2026

Utilities from 'Seminar fuer Statistik' ETH Zurich

sca updated v0.9-3 Aug 2, 2026

Simple Component Analysis

glmbayes removed v0.9.72 Jul 31, 2026

Bayesian Generalized Linear Models (IID Samples)

bitops updated v1.1-0 Jul 30, 2026

Bitwise Operations

cluster updated v2.1.8.3 Jul 30, 2026

"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.

hexbin updated v1.28.6 Jul 28, 2026

Hexagonal Binning Routines

Maintained Packages

27 packages

Package	Title	Downloads	Version
MatrixModels	Modelling with Sparse and Dense Matrices	358.8K	0.5-4
bitops	Bitwise Operations	278.5K	1.1-0
fracdiff	Fractionally Differenced ARIMA aka ARFIMA(P,d,q) Models	268.7K	1.5-4
Matrix	Sparse and Dense Matrix Classes and Methods	165.1K	1.7-6
cluster	"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.	138.3K	2.1.8.3
robustbase	Basic Robust Statistics	76.6K	0.99-7
expm	Matrix Exponential, Log, 'etc'	61K	1.0-0
Rmpfr	Interface R to MPFR - Multiple Precision Floating-Point Reliable	23.5K	1.1-2
stabledist	Stable Distribution Functions	21K	0.7-2
sfsmisc	Utilities from 'Seminar fuer Statistik' ETH Zurich	20.3K	1.1-25
diptest	Hartigan's Dip Test Statistic for Unimodality - Corrected	15.7K	0.77-2
nor1mix	Normal aka Gaussian 1-d Mixture Models	10.1K	1.3-3
copula	Multivariate Dependence with Copulas	10K	1.1-7
cobs	Constrained B-Splines (Sparse Matrix Based)	8K	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	3.5K	1.1-4
lokern	Kernel Regression Smoothing with Local or Global Plug-in Bandwidth	2.4K	1.1-12
round	Rounding to Decimal Digits	2.4K	0.21-0.2
DPQmpfr	DPQ (Density, Probability, Quantile) Distribution Computations using MPFR	2.2K	0.3-3
DPQ	Density, Probability, Quantile ('DPQ') Computations	2.1K	0.6-1
classGraph	Construct Graphs of S4 Class Hierarchies	1.9K	0.7-7
robustX	'eXtra' / 'eXperimental' Functionality for Robust Statistics	342	1.2-8
sca	Simple Component Analysis	218	0.9-3
CLA	Critical Line Algorithm in Pure R	187	0.96-3
lpridge	Local Polynomial (Ridge) Regression	156	1.1-1
simest	Constrained Single Index Model Estimation	149	0.4-1-1
VLMC	Variable Length Markov Chains ('VLMC') Models	149	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	1.5M	0.2.2
lme4	Linear Mixed-Effects Models using 'Eigen' and S4	605.8K	2.0-6
hexbin	Hexagonal Binning Routines	147.2K	1.28.6
polynom	A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations	121.6K	1.4-1
gplots	Various R Programming Tools for Plotting Data	96.1K	3.3.0
scatterplot3d	3D Scatter Plot	67.3K	0.3-45
glmmTMB	Generalized Linear Mixed Models using Template Model Builder	48.2K	1.1.14
pixmap	Bitmap Images / Pixel Maps	34.5K	0.4-14
mlmRev	Examples from Multilevel Modelling Software Review	12.7K	1.0-9
robust	Port of the S+ "Robust Library"	10.5K	0.7-5
MEMSS	Data Sets from Mixed-Effects Models in S	10.2K	0.9-4
fGarch	Rmetrics - Autoregressive Conditional Heteroskedastic Modelling	9.4K	4052.93
pcalg	Methods for Graphical Models and Causal Inference	7.5K	2.7-12
simsalapar	Tools for Simulation Studies in Parallel	2.4K	1.0-13
SASmixed	Data Sets from "SAS System for Mixed Models	783	1.0-5
GLDEX	Fitting Single and Mixture of Generalised Lambda Distributions	282	2.0.0.9.4
animint2	Animated Interactive Grammar of Graphics	254	2025.10.17
RcppBessel	Bessel Functions Rcpp Interface	231	1.0.1
copulaData	Data Sets for Copula Modeling	216	0.0-2
norMmix	Direct MLE for Multivariate Normal Mixture Distributions	154	0.2-0

Contributions

34 packages

Package	Title	Downloads	Version
car	Companion to Applied Regression	405K	3.1-5
quantreg	Quantile Regression	362.6K	6.1
mvtnorm	Multivariate Normal and t Distributions	349.3K	1.4-2
timeDate	Rmetrics - Chronological and Calendar Objects	287K	4052.112
SparseM	Sparse Linear Algebra	259.5K	1.84-2
DEoptimR	Differential Evolution Optimization in Pure R	77K	1.2-0
TMB	Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'	56K	1.9.23
gmp	Multiple Precision Arithmetic	45.2K	0.7-5.1
DescTools	Tools for Descriptive Statistics	40.9K	0.99.60
timeSeries	Financial Time Series Objects (Rmetrics)	22.9K	4052.112
fBasics	Rmetrics - Markets and Basic Statistics	17.7K	4052.98
Rcmdr	R Commander	16.1K	2.13.0
blme	Bayesian Linear Mixed-Effects Models	9K	1.0-7
gnm	Generalized Nonlinear Models	8K	1.1-5
akima	Interpolation of Irregularly and Regularly Spaced Data	6.7K	0.6-3.6
ECOSolveR	Embedded Conic Solver in R	6.4K	0.6.1
sdmTMB	Spatial and Spatiotemporal SPDE-Based GLMMs with 'TMB'	4.3K	1.1.0
fortunes	R Fortunes	4K	1.5-5
rxode2	Facilities for Simulating from ODE-Based Models	3.5K	5.1.6
stan4bart	Bayesian Additive Regression Trees with Stan-Sampled Parametric Extensions	1.7K	0.0-12
nmathopencl	'OpenCL'-Ported R 'Mathlib' for GPU-Accelerated Packages	1.6K	0.8.3
fMultivar	Rmetrics - Modeling of Multivariate Financial Return Distributions	1.3K	4031.84
analogue	Analogue and Weighted Averaging Methods for Palaeoecology	723	0.18.1
glmbayes	Bayesian Generalized Linear Models (IID Samples)	499	0.9.75
opencltools	'OpenCL' Tools for R Package Developers	380	0.8.3
papeR	A Toolbox for Writing Pretty Papers and Reports	356	1.0-6
flint	Fast Library for Number Theory	355	0.1.5
hexDensity	Fast Kernel Density Estimation with Hexagonal Grid	257	1.4.10
sgolay	Efficient Savitzky-Golay Filtering	257	1.0.4
galamm	Generalized Additive Latent and Mixed Models	247	0.4.0
complexlm	Linear Fitting for Complex Valued Data	165	1.1.3
RankingProject	The Ranking Project: Visualizations for Comparing Populations	145	0.4.0
plgraphics	User Oriented Plotting Functions	128	1.3
glmbayesCore	Core C++ Sampling Engine for 'glmbayes'	92	0.5.3

Other Roles

5 packages

Package	Title	Downloads	Version
rstanarm	Bayesian Applied Regression Modeling via Stan	43.4K	2.32.2
RobStatTM	Robust Statistics: Theory and Methods	8.9K	1.0.11
MatrixExtra	Extra Methods for Sparse Matrices	5.3K	0.1.15
adestr	Estimation in Optimal Adaptive Two-Stage Designs	223	1.0.0
groc	Generalized Regression on Orthogonal Components	191	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 27

Co-authors 20

Contributes 35

Impact

4.8K

packages depend on their work

dependency h-index

packages with 10+ dependents

Most depended on

Matrix 1,798 deps

mvtnorm 1,103 deps

lme4 575 deps

Frequent Collaborators

Ben Bolker 15 pkgs

Douglas Bates 12 pkgs

Robert Gentleman 8 pkgs

Bill Venables 7 pkgs

Ross Ihaka 7 pkgs

Brian Ripley 6 pkgs

Diethelm Wuertz 6 pkgs

Yohan Chalabi 6 pkgs

+4 more

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Career

On CRAN since Aug 1977 (49 years) · last active 7 days ago

Links

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