Question : I need to add new information to the xls worksheet, but it already has information that was previously […]

# Tag: r

## How to combine two vectors and get all results from a given account with them

Question : I’m trying to do a calculation and I need your help. First I make a normal distribution sequence […]

## Comparison of elements of a vector

Question : I need a function that checks if all the coordinates of the vector are equal. a = rep(1, […]

## Extract elements from a List

Question : I have this list: a <- list() a[[1]] <- matrix(c(1,2),nrow = 2) How do I select element 2? […]

## Rename a file with a value of a vector

Question : I’m using a loop to extract hundreds of data using unzip. However, I want to rename the files […]

## Integration between R and Java

Question : I’m working on a project and I have to integrate the language R with Java . Could you […]

## Generate a date after a specific date

Question : I have a column of a table with dates, I need to create another column with random dates […]

## Timeout when using httr: POST ()

Question : Expensive, I’m trying to do a log conference in the website CREA-RS , but every time it is […]

## combine vectors per row in R by filling empty spaces

Question : I have two vectors: a <- c(1,2,3,4) b <- c(1,2) I want to create an array by combining […]

## Error in Conditional Operations in Language R

Question : I am programming a simple recursive algorithm to calculate the Fibonacci sequence in R, just as I do […]