Questions tagged as 'rstudio'

Good afternoon. I'm using the aggregate function to group some data. However, I'm only using one variable to add. I would like to use more than one variable. It is possible? I'm using the following example: TESTE = aggregate(VALOR ~ REF...

I'm importing a database into RStudio and need to convert one of the variables to factor . However one of the levels is a word that contains the letter ç . When performing the conversion, the level is not recognized and is trans...

When I try to save my script, the error message appears as per the image. How do I resolve this issue?     

I have separated only one part of a column, I can not work with this data, I can only see it separately. Can someone help me?!     

I have this code for a shiny application. Apparently there is no error in the code and when I select only the graph I can plot, but when I put it to run the graph does not appear. cat(getwd()) library(shiny) library(leaflet) library(tidyverse)...

I would like to know where I can get a data modeling material in R Studio ... I need to modify some columns, changing from text to value, for example, but I do not know which command to use. Could someone tell me some material? or support sit...