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- r - Summarizing multiple columns with dplyr? - Stack Overflow
I'm struggling a bit with the dplyr-syntax I have a data frame with different variables and one grouping variable Now I want to calculate the mean for each column within each group, using dplyr i
- Using R dplyr to summarize - group_by, count, mean, sd
I am fairly new to R and even newer to dplyr I have a small data set comprised of 2 columns - var1 and var2 The var1 column is comprised of num values The var2 column is comprised of factors wit
- R - dplyr Summarize and Retain Other Columns - Stack Overflow
Which column you want to summarise? Based on the code, you are doing it by both the columns
- r - Applying group_by and summarise on data while keeping all the . . .
Applying group_by and summarise on data while keeping all the columns' info Asked 10 years, 2 months ago Modified 2 years, 6 months ago Viewed 136k times
- filtering within the summarise function of dplyr - Stack Overflow
summarise( all_mean=mean(values), A_mean=mean(values), # Only the values with value_type A value_count=sum(value_type == 'A') ) So the A_mean column should calculate the mean of values where value_type == 'A' I would normally do two separate commands and merge the results later, but I guess there is a more handy way and I just don't get it
- How can I keep columns when grouping summarizing?
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- `summarise_each_ ()` is deprecated as of dplyr 0. 7. 0. Please use . . .
`summarise_each_ ()` is deprecated as of dplyr 0 7 0 Please use `across ()` instead Problem with `summarise ()` input ` 1` Asked 4 years, 9 months ago Modified 4 years, 9 months ago Viewed 5k times
- 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 working
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