[R] Grouping by Date and showing count of failures by date

Rui Barradas ru|pb@rr@d@@ @end|ng |rom @@po@pt
Sat Sep 30 13:02:48 CEST 2023

Às 21:29 de 29/09/2023, Paul Bernal escreveu:
> Dear friends,
> Hope you are doing great. I am attaching the dataset I am working with
> because, when I tried to dput() it, I was not able to copy the entire
> result from dput(), so I apologize in advance for that.
> I am interested in creating a column named Failure_Date_Period that has the
> FAILDATE but formatted as YYYY_MM. Then I want to count the number of
> failures (given by column WONUM) and just have a dataframe that has the
> FAILDATE and the count of WONUM.
> I tried this:
> pt <- PivotTable$new()
> pt$addData(failuredf)
> pt$addColumnDataGroups("FAILDATE")
> pt <- PivotTable$new()
> pt$addData(failuredf)
> pt$addColumnDataGroups("FAILDATE")
> pt$defineCalculation(calculationName = "FailCounts",
> summariseExpression="n()")
> pt$renderPivot()
> but I was not successful. Bottom line, I need to create a new dataframe
> that has the number of failures by FAILDATE, but in YYYY-MM format.
> Any help and/or guidance will be greatly appreciated.
> Kind regards,
> Paul
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> and provide commented, minimal, self-contained, reproducible code.

No data is attached. Maybe try

dput(head(failuredf, 30))


And where can we find non-base PivotTable? Please start the scripts with 
calls to library() when using non-base functionality.

Hope this helps,

Rui Barradas

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