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I would like to know where I can get a material about data modeling in R Studio... I need to modify some columns, changing from text to value, for example, but I don’t know which command to use.
Could someone point me some material? or support site?
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I found the answer... just insert the procedure colnames..
colnames(dataset)[corresponding column number in dataset] <- "New column name"
So I can change the name of the column, as long as I know the position of the column..
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See if these links help you: Mini-basic Statistics Course: Introduction to R software (That’s what helps me the most) The R software as a teaching instrument in Basic Statistics Statistical topics using R Data reading and manipulation
– Time lord
"alterando de texto para valor": tryas.numeric(as.character(x)), wherexis the vector to be changed.– Rui Barradas
usually this reflects problems in reading the data... R uses "." as decimal separator while there are common bases where decimals are separated by ",". try reading with read.csv2
– Daniel Falbel
Thanks @Ruibarradas... I’ll try...
– Marcio F Santos