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Table 1 Main publicly available R packages that solves the Lasso and other sparse penalties for the Cox, logistic or conditional logistic models (surveyed October 1st, 2014).

From: Sparse conditional logistic regression for analyzing large-scale matched data from epidemiological studies: a simple algorithm

Package

1:1 matching?

1:M matching?

Amenable to processing of with grouping penalties

with large N

K:M matching?

Logistic Model

glmpath [42]

NO

NO

NO

NO

NO

penalized [49]

YES

NO

NO

NO

NO

glmnet [24]

NO

NO

NO

NO

NO

Cox Model

glmpath [42]

NO

NO

NO

NO

NO

penalized [49]

YES

YES

NO

NO

NO

glmnet [50]

NO

NO

NO

NO

NO

Conditional Logistic

pclogit [21]

YES

YES

YES

NO

NO

clogitL1 [23]

YES

YES

NO

NO

YES

clogitLasso [43, 51]

YES

YES

NO

YES

NO