R Write data in a file

Question

I'm trying to save data in a file, but every time I hit the save button, it saves it but keeps deleting the data I already have there. What could be the problem?

 saveData <- function(data) { data <- as.data.frame(t(data)) if (exists("responses")) { responses <<- rbind(responses, data) } else { responses <<- data } write.csv(responses, file = "read.csv", row.names = FALSE)

add append = TRUE to write.csv and check ?write.csv.

missuse
– missuse

2018-02-18 08:25:25 +00:00
Commented Feb 18, 2018 at 8:25 — missuse
– missuse, Commented Feb 18, 2018 at 8:25

MS Berends · Accepted Answer · 2018-02-18 14:12:18Z

2

Use

write.csv(responses, file = "read.csv", row.names = FALSE, append = TRUE)

Or

saveData <- function(data) { data <- as.data.frame(t(data)) write.csv(data, file = "read.csv", row.names = FALSE, append = TRUE)

edited Feb 18, 2018 at 14:12

answered Feb 18, 2018 at 8:30

MS Berends

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MS Berends Over a year ago

You can avoid checking the response object if you write the csv with append = TRUE.

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