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Page
Library
Module
Module type
Parameter
Class
Class type
Source
Talon_csv
SourceCSV I/O operations for Talon dataframes
val read :
?sep:char ->
?header:bool ->
?na_values:string list ->
?dtype_spec:
(string * [ `Float32 | `Float64 | `Int32 | `Int64 | `Bool | `String ]) list ->
string ->
Talon.t
read ?sep ?header ?na_values ?dtype_spec file
reads CSV file.
"", "NA", "N/A", "null", "NULL"
)Null handling:
write ?sep ?header ?na_repr df file
writes to CSV.
Null values are written as na_repr (empty string by default).
to_string ?sep ?header ?na_repr df
converts dataframe to CSV string.