[R] Multilevel Modelling

[Patrick Coulombe]

Have you tried running it using lmer() in lme4 instead, see if that helps?

Patrick

2014-03-27 6:21 GMT-06:00 Laura Thomas <skagandbonegirl at hotmail.com>:
> Hi All,
>
> I am using R for the purpose of multilevel modelling for the first time. I am trying to examine individuals interpersonal changes in the dependent variable over time and how this varies between groups.
>
> I am using the following code:
> treat.lme1<-lme(DependentVariable~Treatment*I(Time-1), random=~1+I(Time-1)|Treatment, data=MLMworkbook2,na.action=na.omit)
>
> but receive the error message:
>  "Error in lme.formula(DependentVariable ~ Treatment * I(Time - 1), random = ~1 +  : nlminb problem, convergence error code = 1 message = iteration limit reached without convergence (10)"
>
> Any help with this would be much appreciated.
>
> Many thanks,
>
> Laura
>
> structure(list(Participant = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L, 3L, 3L,
> 3L, 3L, 3L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 5L, 5L, 5L, 5L,
> 5L, 5L, 5L, 5L, 5L, 6L, 6L, 6L, 6L, 6L, 6L, 6L, 6L, 6L, 7L, 7L,
> 7L, 7L, 7L, 7L, 7L, 7L, 7L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L,
> 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 10L, 10L, 10L, 10L, 10L,
> 10L, 10L, 10L, 10L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L, 11L,
> 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 12L, 13L, 13L, 13L, 13L,
> 13L, 13L, 13L, 13L, 13L, 14L, 14L, 14L, 14L, 14L, 14L, 14L, 14L,
> 14L, 15L, 15L, 15L, 15L, 15L, 15L, 15L, 15L, 15L, 16L, 16L, 16L,
> 16L, 16L, 16L, 16L, 16L, 16L, 17L, 17L, 17L, 17L, 17L, 17L, 17L,
> 17L, 17L, 18L, 18L, 18L, 18L, 18L, 18L, 18L, 18L, 18L, 19L, 19L,
> 19L, 19L, 19L, 19L, 19L, 19L, 19L, 20L, 20L, 20L, 20L, 20L, 20L,
> 20L, 20L, 20L, 21L, 21L, 21L, 21L, 21L, 21L, 21L, 21L, 21L, 22L,
> 22L, 22L, 22L, 22L, 22L, 22L, 22L, 22L, 23L, 23L, 23L, 23L, 23L,
> 23L, 23L, 23L, 23L, 24L, 24L, 24L, 24L, 24L, 24L, 24L, 24L, 24L,
> 25L, 25L, 25L, 25L, 25L, 25L, 25L, 25L, 25L, 26L, 26L, 26L, 26L,
> 26L, 26L, 26L, 26L, 26L, 27L, 27L, 27L, 27L, 27L, 27L, 27L, 27L,
> 27L, 28L, 28L, 28L, 28L, 28L, 28L, 28L, 28L, 28L, 29L, 29L, 29L,
> 29L, 29L, 29L, 29L, 29L, 29L, 30L, 30L, 30L, 30L, 30L, 30L, 30L,
> 30L, 30L, 31L, 31L, 31L, 31L, 31L, 31L, 31L, 31L, 31L, 32L, 32L,
> 32L, 32L, 32L, 32L, 32L, 32L, 32L, 33L, 33L, 33L, 33L, 33L, 33L,
> 33L, 33L, 33L, 34L, 34L, 34L, 34L, 34L, 34L, 34L, 34L, 34L, 35L,
> 35L, 35L, 35L, 35L, 35L, 35L, 35L, 35L, 36L, 36L, 36L, 36L, 36L,
> 36L, 36L, 36L, 36L, 37L, 37L, 37L, 37L, 37L, 37L, 37L, 37L, 37L,
> 38L, 38L, 38L, 38L, 38L, 38L, 38L, 38L, 38L, 39L, 39L, 39L, 39L,
> 39L, 39L, 39L, 39L, 39L, 40L, 40L, 40L, 40L, 40L, 40L, 40L, 40L,
> 40L, 41L, 41L, 41L, 41L, 41L, 41L, 41L, 41L, 41L, 42L, 42L, 42L,
> 42L, 42L, 42L, 42L, 42L, 42L, 43L, 43L, 43L, 43L, 43L, 43L, 43L,
> 43L, 43L, 44L, 44L, 44L, 44L, 44L, 44L, 44L, 44L, 44L, 45L, 45L,
> 45L, 45L, 45L, 45L, 45L, 45L, 45L, 46L, 46L, 46L, 46L, 46L, 46L,
> 46L, 46L, 46L, 47L, 47L, 47L, 47L, 47L, 47L, 47L, 47L, 47L, 48L,
> 48L, 48L, 48L, 48L, 48L, 48L, 48L, 48L, 49L, 49L, 49L, 49L, 49L,
> 49L, 49L, 49L, 49L, 50L, 50L, 50L, 50L, 50L, 50L, 50L, 50L, 50L,
> 51L, 51L, 51L, 51L, 51L, 51L, 51L, 51L, 51L, 52L, 52L, 52L, 52L,
> 52L, 52L, 52L, 52L, 52L, 53L, 53L, 53L, 53L, 53L, 53L, 53L, 53L,
> 53L, 54L, 54L, 54L, 54L, 54L, 54L, 54L, 54L, 54L, 55L, 55L, 55L,
> 55L, 55L, 55L, 55L, 55L, 55L, 56L, 56L, 56L, 56L, 56L, 56L, 56L,
> 56L, 56L, 57L, 57L, 57L, 57L, 57L, 57L, 57L, 57L, 57L, 58L, 58L,
> 58L, 58L, 58L, 58L, 58L, 58L, 58L, 59L, 59L, 59L, 59L, 59L, 59L,
> 59L, 59L, 60L, 60L, 60L, 60L, 60L, 60L, 60L, 60L, 60L, 60L, 61L,
> 61L, 61L, 61L, 61L, 61L, 61L, 61L, 61L, 62L, 62L, 62L, 62L, 62L,
> 62L, 62L, 62L, 62L, 63L, 63L, 63L, 63L, 63L, 63L, 63L, 63L, 63L,
> 64L, 64L, 64L, 64L, 64L, 64L, 64L, 64L, 64L, 65L, 65L, 65L, 65L,
> 65L, 65L, 65L, 65L, 65L, 66L, 66L, 66L, 66L, 66L, 66L, 66L, 66L,
> 66L, 67L, 67L, 67L, 67L, 67L, 67L, 67L, 67L, 67L, 68L, 68L, 68L,
> 68L, 68L, 68L, 68L, 68L, 68L, 69L, 69L, 69L, 69L, 69L, 69L, 69L,
> 69L, 69L, 70L, 70L, 70L, 70L, 70L, 70L, 70L, 70L, 70L, 71L, 71L,
> 71L, 71L, 71L, 71L, 71L, 71L, 71L, 72L, 72L, 72L, 72L, 72L, 72L,
> 72L, 72L, 72L), Treatment = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L,
> 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
> 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
> 3L, 3L, 3L, 3L, 3L, 3L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L,
> 3L, 3L, 3L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, NA, NA, NA,
> NA, NA, NA, NA, NA, NA, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
> 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L,
> 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L
> ), Time = c(1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L,
> 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L,
> 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L,
> 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L,
> 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L,
> 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L,
> 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L,
> 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L,
> 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L,
> 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L,
> 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L,
> 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L,
> 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L,
> 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L,
> 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L,
> 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L,
> 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L,
> 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L,
> 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L,
> 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L,
> 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L,
> 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L,
> 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L,
> 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L,
> 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L,
> 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L,
> 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L,
> 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L,
> 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L,
> 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L,
> 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L,
> 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L,
> 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L,
> 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L,
> 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L,
> 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L,
> 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L,
> 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L,
> 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L,
> 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L,
> 8L, 9L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L), DependentVariable = c(3L,
> 3L, 2L, 2L, 3L, 2L, 1L, 4L, 1L, 3L, 2L, 1L, 1L, 2L, 2L, 1L, 4L,
> 3L, 3L, 2L, 2L, 1L, 2L, 4L, 0L, 2L, 1L, 2L, 2L, 2L, 2L, 3L, 2L,
> 1L, 3L, 4L, 3L, 3L, 0L, 1L, 3L, 3L, 2L, 1L, 2L, 3L, 3L, 1L, 2L,
> 4L, 1L, 1L, 3L, 1L, NA, NA, NA, NA, NA, NA, NA, NA, NA, 3L, 2L,
> 1L, 1L, 1L, 1L, 2L, 4L, 1L, 1L, 1L, 3L, 3L, 3L, 4L, 1L, 1L, 2L,
> 1L, 2L, 3L, 2L, NA, NA, NA, NA, NA, 1L, 2L, 2L, 3L, 2L, 2L, 1L,
> 1L, 2L, 1L, 1L, 4L, 2L, 2L, 2L, 3L, 0L, 2L, NA, NA, NA, NA, NA,
> NA, NA, NA, NA, 1L, 2L, 4L, 1L, 2L, 1L, 2L, 2L, 2L, 4L, 0L, 3L,
> 3L, 3L, 1L, 1L, 2L, 4L, 2L, 1L, 1L, 3L, 2L, 1L, 1L, 3L, 3L, 1L,
> 1L, 2L, 1L, 3L, 2L, 2L, 4L, 1L, 3L, 1L, 2L, 2L, 3L, 2L, 3L, 4L,
> 3L, NA, NA, NA, NA, NA, NA, NA, NA, NA, 1L, 2L, 2L, 3L, 2L, 0L,
> 2L, 2L, 2L, 3L, 2L, 2L, 2L, 2L, 2L, 1L, 1L, 2L, 0L, 4L, 1L, 2L,
> 2L, 2L, 2L, 2L, 2L, 3L, 1L, 2L, NA, NA, NA, NA, NA, NA, 3L, 2L,
> 2L, 4L, 2L, 1L, 2L, 3L, 1L, 0L, 1L, 2L, 3L, 2L, 3L, 2L, 3L, 3L,
> 3L, 3L, 1L, 2L, 2L, 1L, 4L, 2L, 1L, 3L, 2L, 3L, 2L, 2L, 1L, 2L,
> 1L, 3L, 2L, 2L, 0L, 2L, 3L, 2L, 3L, 2L, 2L, 3L, 2L, 3L, 2L, 1L,
> 3L, 1L, 2L, 1L, 3L, 2L, 1L, 2L, 3L, 1L, 1L, 1L, 4L, 3L, 2L, 3L,
> 0L, 2L, 2L, 2L, 1L, 1L, 1L, 1L, 4L, 2L, 3L, 2L, 3L, 2L, 4L, 3L,
> 1L, 2L, 2L, 1L, 2L, 1L, 1L, NA, 2L, 1L, 1L, 1L, 1L, 1L, 2L, 3L,
> 2L, 2L, 0L, 4L, 4L, 0L, 1L, 2L, 2L, 1L, 1L, 2L, 2L, 2L, 4L, 1L,
> 1L, 1L, 1L, 3L, 1L, 1L, 3L, 1L, 1L, 2L, 1L, 1L, 2L, 2L, 3L, 2L,
> 2L, 2L, 1L, 2L, 3L, 3L, 1L, 3L, 2L, 2L, 0L, 3L, 1L, 3L, 1L, 2L,
> 2L, 2L, 2L, 2L, 3L, NA, NA, 2L, 2L, 2L, 2L, 3L, 0L, 2L, 2L, 3L,
> 1L, 1L, 3L, 2L, 3L, 3L, 2L, 3L, 2L, 1L, 0L, 1L, 3L, 1L, 3L, 2L,
> NA, NA, 1L, 2L, 4L, 2L, 3L, NA, NA, NA, NA, 1L, 2L, 1L, 2L, 2L,
> 2L, 2L, 1L, 1L, 2L, 2L, 1L, 2L, 2L, 4L, 1L, 2L, 2L, 3L, 2L, 0L,
> 1L, 2L, 1L, 3L, 2L, 4L, 1L, 2L, 1L, 1L, 1L, 3L, 4L, 2L, 4L, 2L,
> 4L, 1L, 0L, 3L, 3L, 2L, 1L, 3L, 2L, 3L, NA, NA, NA, NA, NA, NA,
> NA, 4L, 2L, 2L, 3L, 2L, 2L, 2L, 1L, 2L, 1L, 2L, 4L, 2L, 1L, 3L,
> 3L, 3L, 3L, 3L, 2L, 0L, 2L, 2L, 2L, 2L, 2L, 3L, 4L, 3L, 0L, 2L,
> 3L, 2L, 1L, 2L, 4L, 2L, 3L, 2L, 1L, 0L, 3L, 2L, 2L, 1L, 2L, 3L,
> 1L, 0L, 2L, 2L, 2L, 3L, 1L, 1L, 1L, 2L, 0L, 3L, 2L, 0L, 2L, 0L,
> 2L, 1L, 2L, 1L, 0L, 2L, 2L, 3L, 3L, 1L, 2L, 1L, 2L, 1L, 1L, 1L,
> 1L, 0L, 3L, 2L, 2L, 1L, 4L, 3L, 1L, 2L, 3L, 3L, 2L, 3L, 4L, 2L,
> 1L, 2L, 1L, 2L, NA, NA, NA, NA, NA, NA, NA, NA, NA, 1L, 1L, 3L,
> 2L, 4L, 3L, 2L, 1L, 2L, 2L, 3L, 4L, 0L, 2L, 3L, 3L, 1L, 2L, 1L,
> 3L, 1L, 3L, 0L, 0L, 2L, 3L, 3L, 1L, 1L, 0L, 1L, NA, NA, NA, NA,
> NA, 4L, 2L, 3L, 2L, 1L, 3L, 2L, 1L, 3L, 4L, 1L, 2L, 1L, 2L, 2L,
> 1L, 1L, 3L, 2L, 3L, 0L, 4L, 2L, 2L, 1L, 1L, 2L, 2L, 3L, 2L, 2L,
> 2L, 1L, 3L, 1L, 0L, 1L, 1L, 3L, 2L, 3L, 4L, 2L, 3L, 2L, 2L, 0L,
> 3L, 2L, 3L, 3L, 3L, 4L, 2L)), .Names = c("Participant", "Treatment",
> "Time", "DependentVariable"), class = "data.frame", row.names = c(NA,
> -648L))
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> and provide commented, minimal, self-contained, reproducible code.