28 Jun
2009
28 Jun
'09
3:21 p.m.
RE: Amelia for R produces no imputed output files [WAT Issue #1]
PROBLEM: After running Amelia to generate 5 imputed files, no imputed data
output files were generated.
BACKGROUND: Here is my command line to run Amelia:
*******************
CONTROL PANEL
*******************
impruns <- 5
tolX <- 0.0001
empriX <- 100
autopriX <- 0.05
resampleX <- 100
***************************
CONTROL PANEL
*******************
imputed <- amelia(DATA8i,
m = impruns , p2s = 2 ,
idvars = c(3,4,5) ,
ts = 1 , cs = 2 , polytime = NULL,
startvals = 0 ,
tolerance = tolX ,
noms
= nomIV8i ,
ords = ordIV8i , incheck = T , collect = F ,
outname = "DATA8imp",
write.out = T , archive = T ,
keep.data = T ,
empri = empriX ,
autopri = autopriX ,
bounds = IVlims, max.resample =
resampleX )
After a run in which Amelia did not generate the expected output files
(.DATA8imp1, DATA8imp2, etc.),
I am able to extract output info from.
imputed[[ ]]
imputed.rData
SUBMITTED BY: Wayne A. Thornton
Harvard Univ.
thornton(a)fas.harvard.edu
781-492-3131
<http://1429236.signature1.mailinfo.com/confirm2.6/05060108/0502074E/03074F0
3/24231711.jpg>
28 Jun
28 Jun
4:11 p.m.
Hi Wayne,
Amelia recently changed its output to fit better with R. You will now
find the imputed datasets in the following locations:
imputed$imputations[[1]]
imputed$imputations[[2]]
...
imputed$imputations[[m]]
Amelia no longer saves the imputed datasets from the amelia()
function. You can write the datasets to file using the write.amelia()
function:
write.amelia(imputed, file.stem = "outdata")
For further details, take a look at the manual page for write.amelia()
or see the Amelia documentation (section 5.2.1 should have the
relevant information).
I hope that helps,
matt.
On Sun, Jun 28, 2009 at 3:21 PM, Wayne Thornton<thornton(a)fas.harvard.edu> wrote:
RE: Amelia for R produces no imputed output files
[WAT Issue #1]
PROBLEM: After running Amelia to generate 5 imputed files, no imputed data
output files were generated.
BACKGROUND: Here is my command line to run Amelia:
*******************
CONTROL PANEL
*******************
impruns <- 5
tolX <- 0.0001
empriX <- 100
autopriX <- 0.05
resampleX <- 100
***************************
CONTROL PANEL
*******************
imputed <- amelia(DATA8i,
m = impruns , p2s = 2 ,
idvars = c(3,4,5) ,
ts = 1 , cs = 2 , polytime = NULL,
startvals = 0 ,
tolerance = tolX ,
noms
= nomIV8i ,
ords = ordIV8i , incheck = T , collect = F ,
outname = "DATA8imp",
write.out = T , archive = T ,
keep.data = T ,
empri = empriX ,
autopri = autopriX ,
bounds = IVlims, max.resample =
resampleX )
After a run in which Amelia did not generate the expected output files
(…DATA8imp1, DATA8imp2, etc…),
I am able to extract output info from…
imputed[[ ]]
imputed.rData
SUBMITTED BY: Wayne A. Thornton
Harvard Univ.
thornton(a)fas.harvard.edu
781-492-3131
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6:13 p.m.
New subject: Amelia documentation seems to differ between websites; Amelia package Help file does not work right
Matt---
I was about to respond with an email saying, "...Matt... WHAT documentation
are you talking about?.. ..when I realized my Amelia installation must be
one change behind...
(All the docs I had were 6 weeks out of date....).
...However, having realized that and tried to fix it, I still note two
problems...
(....I realize this kind of stuff is hard to jeep up with-- and am most
grateful that anyone is even trying.... So please accept my comments as
constructive and not critical...)
(1) The version of the PDF manual avail at the R website and included in
the Amelia R-package (dated 04-27-09) seems substantially different from the
version available at Gary King's website (dated 05-17-09...)
See...
http://cran.r-project.org/web/packages/Amelia/Amelia.pdf
http://gking.harvard.edu/amelia/docs/amelia.pdf
(2) I can't open the entries in the Help file provided with the Amelia
package....
After opening
\ library \ Amelia \ chtm \ Amelia.chm
...if you click on an entry in the left window, nothing comes up in the
right (main) window...
(See attached zip file).
Thanks...
Wayne
-----Original Message-----
From: Matt Blackwell [mailto:mblackwell@gmail.com]
Sent: Sunday, June 28, 2009 16:12
To: Wayne Thornton
Cc: amelia(a)lists.gking.harvard.edu
Subject: Re: [amelia] Amelia for R produces no imputed data output files
[WAT Issue #1]
Hi Wayne,
Amelia recently changed its output to fit better with R. You will now
find the imputed datasets in the following locations:
imputed$imputations[[1]]
imputed$imputations[[2]]
...
imputed$imputations[[m]]
Amelia no longer saves the imputed datasets from the amelia()
function. You can write the datasets to file using the write.amelia()
function:
write.amelia(imputed, file.stem = "outdata")
For further details, take a look at the manual page for write.amelia()
or see the Amelia documentation (section 5.2.1 should have the
relevant information).
I hope that helps,
matt.
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