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-Original Message-
From: Mark Sharp [mailto:msh...@txbiomed.org<mailto:msh...@txbiomed.org>]
Sent: Monday, November 10, 2014 12:23 PM
To: Muhuri, Pradip (SAMHSA/CBHSQ)
Cc: r-help@r-project.org<mailto:r-hel
ockville, MD 20857
> Tel: 240-276-1070
> Fax: 240-276-1260
>
>
> -Original Message-
> From: Mark Sharp [mailto:msh...@txbiomed.org]
> Sent: Monday, November 10, 2014 12:23 PM
> To: Muhuri, Pradip (SAMHSA/CBHSQ)
> Cc: r-help@r-project.org
> Subject: Re: [R] range () d
ad, Room 2-1071
Rockville, MD 20857
Tel: 240-276-1070
Fax: 240-276-1260
-Original Message-
From: Mark Sharp [mailto:msh...@txbiomed.org]
Sent: Monday, November 10, 2014 12:23 PM
To: Muhuri, Pradip (SAMHSA/CBHSQ)
Cc: r-help@r-project.org
Subject: Re: [R] range () does not remove NA's with
Pradip,
For some reason mutate is not setting the is.NA value for the new column. Note
the output below using your data structures.
> ## It looks at first as if the second element of both columns are NA.
> data2$mrjdate[2]
[1] NA
> data2$oiddate[2]
[1] NA
> ## for convenience
> mrj <- data2$mrjd
:30 AM
To: Muhuri, Pradip (SAMHSA/CBHSQ); r-help@r-project.org
Subject: Re: [R] range () does not remove NA's with complete.cases() for dates
(dplyr/mutate)
Try
range(data2$oiddate[complete.cases(data2$oiddate) & is.finite(data2$oiddate)])
#[1] "2006-09-01" "2011-11-0
Try
range(data2$oiddate[complete.cases(data2$oiddate) & is.finite(data2$oiddate)])
#[1] "2006-09-01" "2011-11-04"
If you look at the `dput` output, it is `Inf` for oiddate
dput(data2$oiddate)
structure(c(14078, -Inf, 15260, 13796, 13392, 15252, 15282), class = "Date")
A.K.
On Monday, Nov
Hello,
The range() with complete.cases() removes NA's for the date variables that are
read from a data frame. However, the issue is that the same function does not
remove NA's for the other date variable that is created using the
dplyr/mutate(). The console and the reproducible example are gi
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