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.
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