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Chris Hammill

2 packages On CRAN since Mar 2019 (7 years) · last active 11 months ago
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Downloads

25K

Last 30 days

87.3K

Last 90 days

387.8K

Last year

Average trend: -21.7% (30d vs prior 30d)

Top Packages by Downloads

data.tree
24.8K
lenses
194

Portfolio Check Status

Aggregate CRAN check results across 1 maintained package.

2

NOTE

11

OK

Needs attention

Recent Activity

lenses new v0.0.3 Mar 10, 2026

Elegant Data Manipulation with Lenses

data.tree updated v1.2.0 Aug 24, 2025

General Purpose Hierarchical Data Structure

data.tree updated v1.1.0 Nov 11, 2023

General Purpose Hierarchical Data Structure

data.tree updated v1.0.0 Aug 2, 2020

General Purpose Hierarchical Data Structure

data.tree updated v0.7.11 Nov 8, 2019

General Purpose Hierarchical Data Structure

data.tree updated v0.7.8 Sep 23, 2018

General Purpose Hierarchical Data Structure

data.tree updated v0.7.7 Sep 22, 2018

General Purpose Hierarchical Data Structure

data.tree updated v0.7.6 Jun 15, 2018

General Purpose Hierarchical Data Structure

data.tree updated v0.7.5 Mar 5, 2018

General Purpose Hierarchical Data Structure

data.tree updated v0.7.4 Jan 5, 2018

General Purpose Hierarchical Data Structure

Maintained Packages

1 package

Package Version
lenses 0.0.3

Contributions

1 package

Package Version
data.tree 1.2.0