e: [R] Some days missing using xtabs
Hello,
Something I've just noticed, stringsAsFactors is not an argument to merge().
And, without changing the class I g a warning:
Warning message:
In `[<-.factor`(`*tmp*`, ri, value = 1:31) :
invalid factor level, NA generated
Rui Barradas
Em 23-
HONE=C
[11] LC_MEASUREMENT=en_CA.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] stringr_0.6.2 reshape2_1.2.2
loaded via a namespace (and not attached):
[1] plyr
F-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] stringr_0.6.2 reshape2_1.2.2
loaded via a namespace (and not attached):
[1] plyr_1.8
A.K.
- Original Message -
From: Rui Barradas
To: St
Hello,
As for your second question, before merge(), try the following.
release_freq$d_release <- as.integer(as.character(release_freq$d_release))
release_freq$m_release <- as.integer(as.character(release_freq$m_release))
release_freq$y_release <- as.integer(as.character(release_freq$y_release))
Hello,
Why should those numbers show up in the final result? They are missing
in the original data frame. A hack could be
fac <- factor(hospital_2004$d_release, levels =
seq_len(max(hospital_2004$d_release)))
as.data.frame(xtabs( ~ fac + m_release + y_release, data=hospital_2004))
And th
Hello,
Please use dput() to provide useful dataset and avoid the use of HTML when
sending a e-mail to this list.
Regards,
Pascal
2013/7/23 Stefano Sofia
> Dear R-users,
> given the following data frame called hospital_2004
>
> gender d_birth m_birth y_birth address d_admittance m_admittance
Dear R-users,
given the following data frame called hospital_2004
gender d_birth m_birth y_birth address d_admittance m_admittance y_admittance
yard_admittance d_release m_release y_release yard_release diaprinc diasec1
diasec2 diasec3 diasec4 diasec5
2 13 12 1929 42002 30 3 2004 3003 6 5 2004 4
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