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Translating IF condition from Excel to R

I have the following data

A B C D E
1 Date Temp.10 values Criteria
2 10/08/2020 1 0
3 11/08/2020 1 0
4 12/08/2020 1 0 0
5 13/08/2020 1 3 0
6 14/08/2020 1 13 0
7 15/08/2020 1 15 0
8 16/08/2020 1 7 1
9 17/08/2020 1 6 1
10 18/08/2020 1 0 1
11 19/08/2020 1 25 0
question from:https://stackoverflow.com/questions/65834530/translating-if-condition-from-excel-to-r

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1 Answer

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by (71.8m points)

With dplyr:

library(dplyr)
your_data %>%
  mutate(
    Criteria = ifelse(lag(values, 1) > 5 & lag(values, 2) > 5, 1, 0)
  )

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