Displaying 5 results from an estimated 5 matches for "lacmta".
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acta
2012 Mar 15
2
summing "transfers"
...column of first VEH in indat
colvl <- 88 # column of last VEH in indat
tapply( rep( SubOre$expwgt, colvl-colvf ),
list( as.matrix(SubOre[ ,colvf:(colvl-1)]),
as.matrix(SubOre[ ,(colvf+1):colvl]) ), sum)
but there are too many rows and columns to print.
Robert Farley
LACMTA
1 Gateway Plaza
Los Angeles, CA 90012-2952
(213)922-2532
FarleyR@Metro.net
[[alternative HTML version deleted]]
2011 Sep 30
1
Advice on approach to weighting survey
...9;m thinking of also using IPF/Raking to estimate linked (based on each individual) trips. Would this change the consideration of using the svydesign process?
I initially looked into this process about 3 years ago, but haven't touched R since then....
Thanks in advance,
Robert Farley
LACMTA
1 Gateway Plaza
Los Angeles, CA 90012-2952
(213)922-2532
[[alternative HTML version deleted]]
2011 Oct 17
0
Aggregating Survey responses for weighting
...y prior art available for me to review? There are a huge number of groupings to be done, so I'm hoping for an algorithm or process that could automatically group the stops and report when it fails to find sufficient "near neighbors" to aggregate.
Thanks in advance,
Robert Farley
LACMTA
1 Gateway Plaza
Los Angeles, CA 90012-2952
(213)922-2532
[[alternative HTML version deleted]]
2012 Mar 07
4
Subset problem
Good Morning
??? I have a small question regarding the function subset.
I am copying data from one table but I just want to collect data from a
user.
When do I take the view, presents the results I want.
The problem arises when can I make the tab. for RES_ID, introduces me to
zero results do not envision noVIEW
val_user='16'
x.sub <-
2009 Jun 01
1
installing sn package
...------------------------
Message: 98
Date: Wed, 27 May 2009 11:54:28 -0700
From: "Farley, Robert" <FarleyR@metro.net>
Subject: Re: [R] Still can't find missing data
To: R-help <r-help@r-project.org>
Message-ID:
<8452CFD6AC58614FA9F87C8ADC2E418904CED8C739@exchange01.lacmta.net>
Content-Type: text/plain; charset="us-ascii"
I can't get the syntax that will allow me to show NA values (rows) in the xtabs.
> # unfortunatly I don't see how to get that to run
> XTTable <- xtabs(wt_annual ~ Mode_orig_only + connector, exclude=NULL, na.action(...