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matthewcrews/CsvProvider2Column.fsx

Created May 6, 2021 19:18
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CsvProvider failing on 2 column data
Raw
CsvProvider2Column.fsx
#r "nuget: FSharp.Data, 4.1.1"
open FSharp.Data
type TimeData = CsvProvider<"ExampleDates.csv">
let data = TimeData.Load $"{__SOURCE_DIRECTORY__}\\ExampleDates.csv"
let analysis =
data.Rows
|> Seq.map (fun row -> row.ExampleDateTime.Hour)
|> Seq.groupBy id
|> Seq.map (fun (hour, grp) -> hour, Seq.length grp)
Raw
ExampleDates.csv
ExampleId ExampleDateTime
ABC001 2020-02-14 02:00:00.000
ABC002 2021-01-03 16:30:00.000
ABC003 2021-03-17 05:00:00.000
ABC004 2021-05-05 21:00:00.000
ABC005 2021-05-04 08:00:00.000
ABC006 2021-05-03 10:00:00.000
ABC007 2021-05-06 06:00:00.000
ABC008 2021-05-06 04:00:00.000
ABC009 2021-05-06 04:00:00.000
@matthewcrews
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This fails on line 10 saying:

CsvProvider2Column.fsx(11,32): error FS0039: The type 'Row' does not define the field, constructor or member 'ExampleDateTime'.

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