r - Summarizing multiple columns with dplyr? - Stack Overflow
We can summarize by using summarize_at, summarize_all and summarize_if on dplyr 0.7.4. We can set the multiple columns and functions by using vars and funs argument as below code. …
How to interpret dplyr message `summarise()` regrouping output …
Jun 1, 2020 · I started getting a new message (see post title) when running group_by and summarise() after updating to dplyr development version 0.8.99.9003. Here is an example to …
r - Count number of rows by group using dplyr - Stack Overflow
I am using the mtcars dataset. I want to find the number of records for a particular combination of data. Something very similar to the count(*) group by clause in SQL. ddply() from plyr is …
r - dplyr summarise_each with na.rm - Stack Overflow
Sep 10, 2014 · Is there a way to instruct dplyr to use summarise_each with na.rm=TRUE? I would like to take the mean of variables with summarise_each("mean") but I don't know how to …
r - How to sum a variable by group - Stack Overflow
talat Over a year ago @lauren.marietta you can specify the function (s) you want to apply as summary inside the funs() argument of summarise_all and its related functions (summarise_at, …
r - summarizing counts of a factor with dplyr - Stack Overflow
Sep 12, 2014 · I want to group a data frame by a column (owner) and output a new data frame that has counts of each type of a factor at each observation. The real data frame is fairly large, …
Relative frequencies / proportions with dplyr - Stack Overflow
11 For the sake of completeness of this popular question, since version 1.0.0 of dplyr, parameter .groups controls the grouping structure of the summarise function after group_by summarise …
dplyr - r summarize_if with multiple conditions - Stack Overflow
May 6, 2020 · I'm trying to reduce a df of observations to a single observation (single line). I would like to summarize_if is numeric with the mean and if is string or factor with the mode. The code …
r - dplyr - summary table for multiple variables - Stack Overflow
Jan 4, 2016 · How to create simple summary statistics using dplyr from multiple variables? Using the summarise_each function seems to be the way to go, however, when applying multiple …
summarize () deprecated in R. What to use instead?
Feb 6, 2024 · Returning more (or less) than 1 row per summarise() group was deprecated in dplyr 1.1.0. ℹ Please use reframe() instead. ℹ When switching from summarise() to reframe(), …