Here I tested how to do correct file I/O by writing a data frame
with column and row names to a .csv
and then loading a data frame from that .csv
again.
The content, row names and column names should be present in the loaded
data frame
csv_filename <- "analyse_files_test.csv" df_in <- data.frame( x = c(1, 2, 3), y = c(1, 4, 9) ) rownames(df_in) <- c("a.txt", "b.txt", "c.txt") print(rownames(df_in)) knitr::kable(head(df_in))
The table should show column and row names in bold.
Saving:
write.csv(x = df_in, file = csv_filename, row.names = TRUE)
Loading:
df_out <- read.csv(file = csv_filename, header = TRUE, stringsAsFactors = FALSE, row.names = 1 ) knitr::kable(head(df_out))
No idea why row.names = 1
works, and row.names = TRUE
not...
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