[R] summarize_all Function

Jeff Reichman re|chm@nj @end|ng |rom @bcg|ob@|@net
Fri Oct 2 16:36:18 CEST 2020

Thanks Bill – got it


From: Bill Dunlap <williamwdunlap using gmail.com> 
Sent: Thursday, October 1, 2020 1:56 PM
To: reichmanj using sbcglobal.net
Cc: r-help using r-project.org
Subject: Re: [R] summarize_all Function


The warning gives some suggestions.  E.g., replace funs(sum,prod) with list(sum=sum,prod=prod).


% R CMD Rscript -e 'library(dplyr,warn.conflicts=FALSE); data.frame(X=1:3,Y=c(11,13,17)) %>% summarize_all(funs(sum,prod))'
  X_sum Y_sum X_prod Y_prod
1     6    41      6   2431
Warning message:
`funs()` is deprecated as of dplyr 0.8.0.
Please use a list of either functions or lambdas:

  # Simple named list:
  list(mean = mean, median = median)

  # Auto named with `tibble::lst()`:
  tibble::lst(mean, median)

  # Using lambdas
  list(~ mean(., trim = .2), ~ median(., na.rm = TRUE))
This warning is displayed once every 8 hours.
Call `lifecycle::last_warnings()` to see where this warning was generated.

% R CMD Rscript -e 'library(dplyr,warn.conflicts=FALSE); data.frame(X=1:3,Y=c(11,13,17)) %>% summarize_all(list(sum=sum,prod=prod))'
  X_sum Y_sum X_prod Y_prod
1     6    41      6   2431


On Thu, Oct 1, 2020 at 10:29 AM Jeff Reichman <reichmanj using sbcglobal.net <mailto:reichmanj using sbcglobal.net> > wrote:

r-help Forum

I'm using the dplyr:: summarize_all(funs(sum)) function and am receiving a
warning message that the `funs()` is deprecated as of dplyr 0.8.0. Ok what
should I be using to summarize  all columns by sum?


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