Error: unexpected '}' in " }" in loop within a loop (while function)

Question

This is my code on R, and it keeps getting me the message

Error: unexpected '}' in " }"

when I try to run it. What is the problem? I checked the balance of the brackets and according to forums it should work.

n = 1 
while(n < 3) { 
    i = 2
    while (i < 17) {
        data_freq = data_pourcentage %>%
            filter(groupe = i & groupe = n) %>%
            mutate(pourcentage = sum(freq)) %>%
            mutate(pourcentage = freq / pourcentage)
        data_pourcentage = left_join(
            data_freq, 
            data_pourcentage, 
            by = c(
                "sujet", "groupe", "identification", 
                "cristallisation", "valence", "freq")
            )
        i = i + 1
    }
    n = n + 1
}

The & in the filter command is the problem. Just with filter(groupe = i) all works fine. Do you mean filter(groupe= c(i,n))? — J_F
– J_F, Commented Apr 11, 2017 at 11:30
I would also try and replace the nested while loop with a call to group_by. — Paul Hiemstra
– Paul Hiemstra, Commented Apr 11, 2017 at 12:34

J_F · Accepted Answer · 2017-04-11 12:06:01Z

1

The & in the filter command is the problem. Just with filter(groupe = i) all works fine. To combine more components use filter(groupe= c(i,n)).

n = 1 
while(n < 3) { 
    i = 2
    while (i < 17) {
        data_freq = data_pourcentage %>%
            filter(groupe = c(i,n)) %>%
            mutate(pourcentage = sum(freq)) %>%
            mutate(pourcentage = freq / pourcentage)
        data_pourcentage = left_join(
            data_freq, 
            data_pourcentage, 
            by = c("sujet", "groupe", "identification", 
                   "cristallisation", "valence", "freq")
            )
        i = i + 1
    }
    n = n + 1
}

answered Apr 11, 2017 at 12:06

J_F

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