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 […]