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 - 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, …
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 …
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 …
Get dplyr count of distinct in a readable way - Stack Overflow
Use filter to filter out any rows where aa has NAs, then group the data by column bb and then summarise by counting the number of unique elements of column aa by group of bb. As you …
r - Sum across multiple columns with dplyr - Stack Overflow
Mar 5, 2015 · 184 My question involves summing up values across multiple columns of a data frame and creating a new column corresponding to this summation using dplyr. The data …
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(), …