Icon

kn_​example_​r_​import_​csv_​messy_​loop_​force_​all_​string

Force R’s readr to import all columns of a messy CSV file as strings - allow changing table structures

Force R’s readr to import all columns of a messy CSV file as strings - allow changing table structures

———
library(readr)

file_location <- knime.flow.in[["File path"]]

knime.out <- as.data.frame(read_delim(file=file_location, delim=",", col_names = TRUE, col_types = cols(.default = "c")))

https://www.rdocumentation.org/packages/readr/versions/1.3.1/topics/read_delimhttps://readr.tidyverse.org/reference/read_delim.htmlread_delim(file, delim, quote = "\"", escape_backslash = FALSE, escape_double = TRUE, col_names = TRUE, col_types = NULL, locale = default_locale(), na = c("", "NA"), quoted_na = TRUE, comment = "", trim_ws = FALSE, skip = 0, n_max = Inf, guess_max = min(1000, n_max), progress = show_progress(), skip_empty_rows = TRUE) Force R’s readr to import all columns of a messy CSV file as strings - allow changing table structureshttps://forum.knime.com/t/merge-csv-files-with-different-columns-and-settings/23011/12?u=mlauber71 library(readr)file_location <- knime.flow.in[["File path"]]knime.out <- as.data.frame(read_delim(file=file_location, delim=",", col_names = TRUE,col_types = cols(.default = "c"))) KNIME and R — installation across operating systems — some remarkshttps://medium.com/p/6494a2a498cc import withread_delimextract namelist csv filesSTARTdrop specialcolumnsENDknime:/knime.workflow/data/result.table R Snippet URL to File Path List Files/Folders Sorter Path to URI Files/FoldersMeta Info Table Row ToVariable Loop Start Column Filter Loop End Table Writer https://www.rdocumentation.org/packages/readr/versions/1.3.1/topics/read_delimhttps://readr.tidyverse.org/reference/read_delim.htmlread_delim(file, delim, quote = "\"", escape_backslash = FALSE, escape_double = TRUE, col_names = TRUE, col_types = NULL, locale = default_locale(), na = c("", "NA"), quoted_na = TRUE, comment = "", trim_ws = FALSE, skip = 0, n_max = Inf, guess_max = min(1000, n_max), progress = show_progress(), skip_empty_rows = TRUE) Force R’s readr to import all columns of a messy CSV file as strings - allow changing table structureshttps://forum.knime.com/t/merge-csv-files-with-different-columns-and-settings/23011/12?u=mlauber71 library(readr)file_location <- knime.flow.in[["File path"]]knime.out <- as.data.frame(read_delim(file=file_location, delim=",", col_names = TRUE,col_types = cols(.default = "c"))) KNIME and R — installation across operating systems — some remarkshttps://medium.com/p/6494a2a498cc import withread_delimextract namelist csv filesSTARTdrop specialcolumnsENDknime:/knime.workflow/data/result.tableR Snippet URL to File Path List Files/Folders Sorter Path to URI Files/FoldersMeta Info Table Row ToVariable Loop Start Column Filter Loop End Table Writer

Nodes

Extensions

Links