Displaying 2 results from an estimated 2 matches for "new_morb".
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2010 Aug 19
1
Adding column to dataframe
...f it takes ~20 minutes
morbidity$adm_date <- as.Date(etc)
when I place the vector over it (so no computation involved), or place it as
a new column it still takes ~20 minutes
morbidity$adm_date <- test
morbidity$new_col <- test
when I tried a cbind to add it that way it took >20 minutes
new_morb <- cbind(morbidity,test)
Has anyone done something similar or know of a different command that should
work faster? I can't get my head around what R is doing, if it can create
the vector instantly then the computation is quite simple, I don't
understand why then adding it as a column to...
2010 Aug 24
0
mlm for within subject design
...c)
>> when I place the vector over it (so no computation involved), or place it
> as
>> a new column it still takes ~20 minutes
>> morbidity$adm_date <- test
>> morbidity$new_col <- test
>> when I tried a cbind to add it that way it took>20 minutes
>> new_morb <- cbind(morbidity,test)
>>
>> Has anyone done something similar or know of a different command that
> should
>> work faster? I can't get my head around what R is doing, if it can create
>> the vector instantly then the computation is quite simple, I don't
>...