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Hadley Wickham hadley

Chief Scientist at @rstudio

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Pinned

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 857 189
r4ds

R for data science: a book

R 2.4k 3k
r-lib/devtools

Tools to make an R developer's life easier

R 1.9k 698
adv-r

Advanced R: a book

TeX 1.7k 1.6k

4,442 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/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

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

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

dplyr 1.0.0 release announcement May 11
Blog post about summarise grouping and row mutation May 4

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

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

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

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

mssql backend: only emit TOP 100 PERCENT if there is an ORDER BY May 15
Use immediate = TRUE May 15
Escape raw vectors and support list of raw vectors May 15

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 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

Add link destination in PDF rendering May 11
Include richer brushing example May 10
Note about dbplyr in tidy evaluation section May 4

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

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

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

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

Use ragg as default graphics device May 7

gcc10 warnings (via haven/CRAN) May 7

[ method May 5

Tidy eval and NextMethod May 5

Proposed dtplyr hex logo May 4

Count all thumbs ups? May 1

Vectorise curl_download May 1

1 contribution in private repositories May 7

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