[R] Column 'xyz' does not exist

[Uwe Ligges]

Use the functional style such as mean(x) instead of the piping style 
such as x %>% mean.

Best,
Uwe Ligges






On 30.07.2019 11:26, Tolulope Adeagbo wrote:
> Thanks Uwe, maybe i can be clearer; the error is: Warning: Error in : 
> Column `Previous_stage` is unknown.
> Ans please what do you mean by functional programming style?
> 
> On Tue, Jul 30, 2019 at 10:18 AM Uwe Ligges 
> <ligges using statistik.tu-dortmund.de 
> <mailto:ligges using statistik.tu-dortmund.de>> wrote:
> 
>     Don't use pipes but functional programming style, then you can eaasily
>     traceback() and use debugging tools.
> 
>     Best,
>     Uwe Ligges
> 
> 
>     On 30.07.2019 11:03, Tolulope Adeagbo wrote:
>      > So I'm having this error:
>      >
>      > column 'Previous stage does not exist'
>      >
>      > bal_matrix = loan_data_2 %>% as.tibble() %>%
>      >    dplyr::arrange(Account_number) %>%
>      >    dplyr::group_by(Previous_stage, Current_stage) %>%
>      >    dplyr::summarise(
>      >      Total_bal = sum(Balance, na.rm = TRUE)
>      >    ) %>%
>      >    tidyr::spread(key = Current_stage, value = Total_bal, fill = 0)
>      >
>      > Please assist.
>      >
>      >       [[alternative HTML version deleted]]
>      >
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