How to fix the error caused by" when used with numbers and tapply? R, package arrangements...

R - Applying same function on multiple columns...

How to subtract every previous rows from the lead row to every five rows in R?...

Relative frequency in r by factor...

Mean with condition for multiple columns in r...

Is there a way to vectorize this operation using xapply in R...

How to back-transform with a continuous variable...

Rolling average for panel data (with a few details)...

using tapply in multiple variables...

Use function in loop over set of files in directory...

What is the difference of tapply and aggregate in R?...

How to subset multiple columns condition in R?...

Replace NA values with median by group...

When using the function By in R, how do I create a vector of the factors for each group?...

R - Tally for multiple factors in a column...

Combine different apply functions in R...

How do I create a new categorical variable from continuous multiple observations?...

Maintain tapply indices through sapply...

R - apply adf.test by group...

Nest apply function within tapply...

How to use lapply or a family of the apply function for calling a function within a function in R?...

Compute user defined function output by group in R...

Problems calculating means using tapply() in R...

apply Function one raw input ,many raws output...

reshape or table data from long to wide...

understanding difference in results between dplyr group_by vs tapply...

R : Percentile 90% with tapply...

Apply a function to dataframe - arguments must have the same length...

Error with R function “tapply” , "do.call" , and "laply" of th package "ply...

Summing rows of a matrix based on column index...