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Hadley Wickham hadley

Chief Scientist at @rstudio

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tidyverse/ggplot2

An implementation of the Grammar of Graphics in R

R 4.4k 1.6k
tidyverse/dplyr

dplyr: A grammar of data manipulation

R 3.3k 1.2k
tidyverse/tidyverse

Easily install and load packages from the tidyverse

R 867 193
r4ds

R for data science: a book

R 2.4k 3k
r-lib/devtools

Tools to make an R developer's life easier

R 2k 699
adv-r

Advanced R: a book

TeX 1.7k 1.6k

4,500 contributions in the last year

Activity overview

Contributed to tidyverse/dplyr, hadley/mastering-shiny, r-lib/roxygen2 and 5 other repositories

Contribution activity

May 2020

hadley/amt R May 19
hadley/sjlabelled R May 19
hadley/rdhs R May 19
hadley/condusco R May 7
hadley/sigminer R May 5
hadley/ftExtra R May 5
hadley/epubr R May 5
hadley/epikit R May 5
hadley/MPTmultiverse R May 5
hadley/tidyfast R May 5
hadley/coalitions R May 5
hadley/tbrf R May 5
hadley/panelr R May 5
hadley/gtsummary HTML May 5
hadley/tidyquant R May 5

Created a pull request in tidyverse/dplyr that received 4 comments

Use different approach in group_data.data.frame()

Maybe fixes #5182 @romainfrancois I was coincidentally working on this!

+1 −1 • 4 comments

haven 2.2.0 May 26
Remove old articles directory May 25
Move old posts into subdirectories May 25
Use hugodown to resolve some image placement issues May 21
Use hugodown May 21
First draft of tidyr 1.1.0 blog May 20
Convert config to yaml May 16
dplyr 1.0.0 release announcement May 11
Blog post about summarise grouping and row mutation May 4

Start building out some testing infrastructure May 3
Improve todo docs May 3
use_tidy_github_actions() May 2
Save CRAN report to disk May 2
Disconnect from database before removing from cache May 2
Use own maintainer class May 2
Display GitHub home May 2

Remove lazy eval shims May 26
Simplify conditioning and fix class names May 22

Document modalButton with modalDialog May 24
Combine point events into one doc file May 24

Fix pkgdown workflow May 15
Unescape preformatted text prior to higlhighting May 15

Embrace cols everywhere in unnest_auto() May 14
Make pivot_longer() and pivot_wider() generic May 4

Use pivot_longer() with data frames May 5
Add links to package on Github May 5

Don't remind to check pkgdown index for patch release May 26

Avoid R-devel change May 19

Hack in ICONV_CONST for windows May 19

Fix for haven 2.3.0 May 19

Fixes for haven 2.3.0 May 19

Fix for upcoming haven 2.3.0 release May 19

Minutes for today's meeting May 18

Introduce a 3rd edition May 11

Remove test of scales behaviour May 7

Use class argument to new_tibble() May 5

Fix for tidyr 1.1.0 compatibility May 5

use_tidy_github_actions() May 1

extra care when calling `[` for a data frame May 19
summarise() regrouping information, take 2 May 15
nest_by() improvements May 12
round down proportions on slice_tail() May 12
Fix with_non_utf8_encoding() May 12
across(<empty>) -> data frame with 0 columns and 1 row. May 12
Correctly register rowwise reconstruct method May 11
Update tidyselect docs May 11
Use classed error for duplicate value May 9
Ensure that `filter()` always calls `dplyr_row_slice()` May 7
Ensure that `arrange()` always calls `dplyr_row_slice()` May 7
dplyr_col_modify.data.frame() calling dplyr_reconstruct() May 6
across() and c_across() when used out of dplyr context May 5
Update gitHub actions May 5
summarise(.groups=) May 5
group_data.data.frame not trying so hard to call `[` May 5
lead(), lag(): cast default to common type rather than to type of x. May 4

Fix unspecified fallback May 22
Fix fallback rbind May 21
Draft reference on vctrs primitives and fallbacks May 21
Add Dependencies sections to vctrs functions May 15
Improve consistency of recycling errors May 7
Silently fall back to base data frame type in comparison operators May 6
Implement `vec_arith()` and `vec_math()` for POSIXlt May 5
Make tibble subclass example more realistic May 5
Improve `vec_cast()` error messages May 4
Adjust vignette to new date conversion error on r-devel May 4
Review `?vec_ptype2`, `?vec_cast`, and `?vec_proxy` May 2
Mention loss of generality instead of precision when relevant May 1

arrange() only effective at end of pipe, window_order() overrides May 26
Refactorings May 19
Escape raw vectors and support list of raw vectors May 18
mssql backend: only emit TOP 100 PERCENT if there is an ORDER BY May 15
Use immediate = TRUE May 15

Ragg + systemfonts May 15
Use `where()` in dplyr blog posts May 11
googlesheets4 blog post (the first ever) May 9
ragg + systemfonts May 7

Add `where()` May 9
Review documentation of selection helpers May 8
Add allow rename May 8

Fix 14 minor typos in scaling-functions prose May 15
Typo fixes May 12

Make discrete scale determination stable May 15

Safer default file deletion behavior for renderImage May 11

Fix label_number_si() to use SI prefixes May 7

Pkgdown cleanup May 6

Cloud reverse dependency checks May 2

Created an issue in RConsortium/OOP-WG that received 15 comments

Interface evolution?

Should we consider the challenge of changing the interface of a generic (i.e. adding or removing arguments, or moving a generic between packages). …

15 comments

Add option to build local site May 22
Save hash of .Rmd in metadata May 20
Expose tidy_thumbnail_resize() May 20
Extract chunk opts from config.yml May 19
List all tags and categories May 19
Launch hugo server in background process May 18
Post creation May 18
Local hugo install May 18
Make sure local paths work May 18
Figure out mathjax May 18
Custom knitting May 18
Figure out cross-references May 18

Figure out image alignment in latex May 23
Review action demos May 22
Review action exercises May 22
Add link destination in PDF rendering May 11
Include richer brushing example May 10
Note about dbplyr in tidy evaluation section May 4

First argument of complete() needs to be .data May 26
read_json vs fromJSON May 25
Release tidyr 1.1.0 May 19
Why does pivot_longer() now fail with data.tables? May 5
Why does pivot_wider() fail with character col names? May 5

Add a README May 3
Figure out what's going on in initial library() call May 3
Depend on URL May 3
Depend on current time May 3
Track input and output from file system May 3

Re-export tribble() May 11
rowwise() not correctly updated after a join May 11
Emphasise grouping in print method May 8
df_patch (via coalesce) is too picky about types May 4

Method validation? May 11
Delayed registration? May 11
Class namespacing May 11
Additional requirement: reflection May 11

selectInput() drops choice "" May 18
selectInput() turns NA into "NA" May 11
renderImage() should not defaulting deleting files May 7

Release dbplyr 1.4.4 May 26
setOldClass fallbacks not working correctly May 22

Move old posts into subdirectories May 26
Fix height of wide thumbnail May 25

Weirdly bad performance for tibbles vs data frames May 11
Targeted error for formulas May 10

Release scales 1.1.1 May 7
Fix for R-devel May 1

Highlight packages that error early on May 6
Should pkg be the last argument? May 3

Contributing fixes to revdeps May 1
Handling large number of revdep failures May 1

parsemsf uses old dplyr style with dbplyr May 26

Link to book is broken May 24

Can't extract a column called "0" May 19

Release modelr 0.1.8 May 19

Move to r-dbi? May 15

Subsetting a dataset crashes R May 12

Expect once per session warning helper? May 10

Use diffobj:ses_data() May 8

6 repositories not shown

1 contribution in private repositories May 7

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