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 <[email protected] <mailto:[email protected]>> 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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