(max.print) -- omitted 595 rows ]]
But I have no clue if this even has the interchanges I need.
Robert Farley
LACMTA
-Original Message-
From: Jeff Newmiller [mailto:jdnew...@dcn.davis.ca.us]
Sent: Thursday, 15 March, 2012 19:34
To: Farley, Robert; R-help@r-project.org
Subject: Re: [R] summing
Message-
From: jim holtman [mailto:jholt...@gmail.com]
Sent: Wednesday, 14 March, 2012 20:36
To: Farley, Robert
Cc: R-help@r-project.org
Subject: Re: [R] subset problem
Supply an 'str' of your dataframe so we can see what its structure is.
Do you have leading/trailing blanks in your ROUTE
I have a dataframe from an On-Board Survey with weights (expwgt) and
variables for up to 8 used lines: VEH1 through VEH8. The lines are labeled
MT-..1 through MT-902. I want to know how many transfers there are between
MT-802 and MT-901. That is, when one of them is VEHx and the other is
I'm having a simple problem with subset. I'm choosing what I think is a valid
selection, but I either get everything or an empty dataframe. What am I doing
wrong?
describe(OBDataSumm)
Description of OBDataSumm
Numeric
meanmedian varsd valid.n
SAMPN
I have about 27,000 survey responses from across about 150 Bus Routes, each
with potentially 100 stops. I've recorded the total Ons and Offs for each stop
on each bus run, as well as the stop pair each survey response corresponds to.
I wish to create weights based on the On and Off stop for
OT question: can R produce Cartograms?
Here's an example of World Population:
http://www.worldmapper.org/display.php?selected=2
This might make Texas smaller and Rhode Island larger
Robert Farley
LACMTA
-Original Message-
From: r-help-boun...@r-project.org
I'm about to add weights to a bus on-board survey dataset with ~150 variables
and ~28,000 records. My intention is to weight (for each bus run) by
boarding stop and alighting stop. I've seen the Rake function of the Survey
package, but it seems that converting to a svydesign might be
bw that could be set small at the extrema, and larger in the range
of the data?
Robert Farley
Metro
www.Metro.net
-Original Message-
From: David Winsemius [mailto:dwinsem...@comcast.net]
Sent: Monday, July 19, 2010 19:31
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R
I'm plotting some trip length frequencies using the following code:
plot( density(zTestData$Distance, weights=zTestData$Actual),
xlim=c(0,10),
main=Test TLFD,
xlab=Distance,
col=6 )
lines(density(zTestData$Distance, weights=zTestData$FlatWeight), col=2)
I'm trying to plot a series of densities using/comparing differing weights. I
see the reference to weights and subscripts, but I don't understand how to
implement that. My data are of the form:
I, J, Actual, Distance, Subset, Weight1, Weight2, ...
I'm trying to see the effect of the distance
) # pch=16 = solid
circle
#
-Original Message-
From: Phil Spector [mailto:spec...@stat.berkeley.edu]
Sent: Friday, August 07, 2009 19:00
To: Farley, Robert
Subject: Re: [R] Simple Question: adding
Does anyone have an R Syntax Highlighting file {userDefineLang.xml} for
NotePad++?? I've started one, but I'm not so happy with it.
Robert Farley
Metro
1 Gateway Plaza
Mail Stop 99-23-7
Los Angeles, CA 90012-2952
Voice: (213)922-2532
Fax:(213)922-2868
www.Metro.net
languages.
Robert Farley
Metro
www.Metro.net
-Original Message-
From: John Kane [mailto:jrkrid...@yahoo.ca]
Sent: Monday, August 10, 2009 15:59
To: 'r-help@r-project.org'; Farley, Robert
Subject: Re: [R] NotePad++ Syntax file
No but have you had a look at Tinn-R http
] On
Behalf Of Michael Bibo
Sent: Monday, August 10, 2009 17:13
To: r-h...@stat.math.ethz.ch
Subject: Re: [R] NotePad++ Syntax file
Farley, Robert FarleyR at metro.net writes:
Does anyone have an R Syntax Highlighting file {userDefineLang.xml} for
NotePad++?? I've started one,
but I'm not so happy
I apologize in advance for the simplicity of this question. I use R 2-3 times
a year, and I seem to forget more in the intervening months than I learn during
my days of panicked reading I HAVE tried looking at the help resources;
I'm just not very good at understanding them.
I have a
checking process before data analysis?
==
boxplot(ObsRpdData)
points(1:length(EstRpdData),EstRpdData, pch=16, col=red)
===
Robert Farley
Metro
www.Metro.net
-Original Message-
From: Farley, Robert
Sent
, May 31, 2009 14:27
To: Farley, Robert
Subject: Re: Still can't find missing data - How do I get NA in xtabs with
factors?
you might want to try 'table' - with the exclude option -rather than 'xtabs':
with(data,table(a, b, exclude=NULL))
I *think* that the problem is that xtabs excludes NAs
?
Robert Farley
Metro
www.Metro.net
-Original Message-
From: William Dunlap [mailto:wdun...@tibco.com]
Sent: Thursday, May 28, 2009 20:39
To: Farley, Robert
Subject: RE: [R] Still can't find missing data
In R factors don't save space over character vectors - only
one copy of any given
-help-boun...@r-project.org] On
Behalf Of Dieter Menne
Sent: Thursday, May 28, 2009 05:46
To: r-help@r-project.org
Subject: Re: [R] Still can't find missing data
Farley, Robert wrote:
I can't get the syntax that will allow me to show NA values (rows) in the
xtabs.
lengthy non-reproducible
-Original Message-
From: William Dunlap [mailto:wdun...@tibco.com]
Sent: Thursday, May 28, 2009 16:26
To: Farley, Robert
Subject: RE: [R] Still can't find missing data
Try reading it in with read.table's argument stringsAsFactors=FALSE.
I think the underlying problem is that exclude= is used
Sent: Wednesday, May 27, 2009 02:52
To: r-h...@stat.math.ethz.ch
Subject: Re: [R] Still can't find missing data
Farley, Robert FarleyR at metro.net writes:
What is wrong? I've looked into the na commands and the ?xtabs entry, but I
haven't found anything that works.
I never understood
I'm trying to prepare some cross tabs, looking at a number of variables against
a variable connector which has 2 values: OD Passenger and Connector.
When I produce a xtabs one way I have observations under Connector but
against a different variable Connector shows all 0 values.
What is
I presume the behavior below (no Connector values in the second table)
is because I have na values in my dataframe. How do I get them to list?
I found references to na.action and na.pass, but I could not figure out
how I could use them with xtabs to list the na as a value. I'm sure
there's a
I have two problems with svyhist. I hope this is easy, and it may be
that simple R syntax will do what I need.
1) I'm able to get a single plot out, but I need to put two
distributions in the same graphic to visually compare them.
2) I get uniform breaks at intervals of 10. I can
I'm trying to plot and compare weighted histograms and I can't seem find
where to start. I have data similar to this:
Miles2LAX RADAM2005Pct LAWA2005Pct
35.57.00123.00684
24.74.00118.00187
27.09
I have a time zone problem.
Running the code provided I get the result in UTC, and a lot of warnings
like this:
28: In as.POSIXlt.POSIXct(x, tz) ... : unknwon timezone 'PST'
sunrise.set(34.11583, -118.18719, 2008-11-14)
sunrise sunset
newlon 2008-11-14
I'm having a problem reading data to set control totals for a dataframe.
I want to adjust a dataframe based on a 2-d table of values, which I get
by using :
CurrentX1Sums - as.matrix(xtabs(~tripid_nu+lineon, data=SurveyData))
CurrentX2Sums - apply(CurrentX1Sums, 1, sum)
I've created a
I've been trying to set my email setting to Digest Mode for a while, but
it doesn't seem to take.
I log through to the Unsubscribe or edit options button on the Web
interface to the R-help mailing list page. I scroll down to the Set
Digest Mode box and change the radio button to On. I
:[EMAIL PROTECTED]
On Behalf Of Marianne Promberger
Sent: Friday, October 31, 2008 12:17
To: r-help@r-project.org
Subject: Re: [R] Digest setting won't take
On Friday, 31 October 2008, 10:46 (UTC-0700), Farley, Robert wrote:
I've been trying to set my email setting to Digest Mode for a while
I want to import some target values to normalize elements of a
dataframe. I'm summarizing the existing totals using
as.matrix(xtabs(~tripid_nu+lineon, data=SurveyData)) and reading a .csv
table of target values. I can't even get them to list out as similar
data items.
My idea is to do
I want to calculate expansion factors for elements in my dataframe
based on a 2-d cross classification. Since I'll have missing values
(many combinations will have no record) I'll need a second expansion
factor for each row. I've included my work to date below, but I'm
not very close to getting
(NewTargetX1Sums, 1, sum)
Robert Farley
Metro
www.Metro.net
-Original Message-
From: Erik Iverson [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 29, 2008 19:58
To: Farley, Robert
Subject: Re: [R] Trying to expand some data - Newbie needs help
Farley, Robert wrote:
I want
You could always try
F(x,y) = f(x) + 0*y
That is zero out the degenerate dimensions. Of course you'll be
plotting what is essentially a two dimensional object as if it were
three dimensional. The degeneracy in y means a 2-D curve will be
extruded along the Y dimension.
Robert Farley
Metro
: Thursday, August 28, 2008 11:43
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design / Rake questions
On Mon, 25 Aug 2008, Farley, Robert wrote:
I see a number of things that bother me.
1) str(ByEBNum$StnTraveld) says int [1:12] 1 2 3 4 5 6 7 8 9 10 ...
Even
So if I put $10 and $20 into the envelopes, then told you that the
values were multiples of $10, it would be wrong for you to assess
probabilities on $100, $1,000,000 and so on? :-)
But what if you reasoned that there were far more multiples of 10 above
20 than below 20?
What if I was really
Robert Farley
Metro
www.Metro.net
-Original Message-
From: Thomas Lumley [mailto:[EMAIL PROTECTED]
Sent: Saturday, August 23, 2008 09:38
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design / Rake questions
On Fri, 22 Aug 2008, Farley, Robert wrote:
I *think* I'm making progress, but I'm still failing at the same step. My
rake call fails with:
Error in postStratify.survey.design(design, strata[[i
PROTECTED]
Sent: Thursday, August 21, 2008 13:55
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design / Rake questions
On Tue, 19 Aug 2008, Farley, Robert wrote:
While I'm trying to catch up on the statistical basis of my task, could
someone point me to how I should fix my R
: Wednesday, August 20, 2008 07:13
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design / Rake questions
On Mon, Aug 18, 2008 at 6:18 PM, Farley, Robert [EMAIL PROTECTED]
wrote:
My motivation is to try to correct for a time on board bias we see
in
our surveys. Not surprisingly
I obviously don't know what I'm doing. I want to create ByEBNum as a
data frame, but it comes out as a list. How do I make it a data frame?
EBNumStn - c(673.65, 800, 1000, 1000, 800, 700, 600, 500, 400,
200, 50, 50 )
ByEBNum - data.frame(c(1:12),EBNumStn)
typeof(EBNumStn)
Message-
From: Farley, Robert
Sent: Monday, August 18, 2008 16:18
To: 'r-help@r-project.org'
Subject: RE: [R] Survey Design / Rake questions
Thank you for the list of references. Do you know of any free
references available online? I'll have to find my library card :-)
My motivation
I'm trying to learn how to calibrate/postStratify/rake survey data in
preparation for a large survey effort we're about to embark upon. As a
working example, I have results from a small survey of ~650 respondents,
~90 response fields each. I'm trying to learn how to (properly?) apply
the
Kolenikov [mailto:[EMAIL PROTECTED]
Sent: Monday, August 18, 2008 10:32
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Survey Design / Rake questions
Your reading, in increasing order of difficulty/mathematical details,
might be Lohr's Sampling
(http://www.citeulike.org/user/ctacmo
I can't figure out the syntax I need to get subset to work. I'm trying
to split my dataframe into two parts. I'm sure this is a simple issue,
but I'm stumped. I either get all or none of the original rows.
XTTable - xtabs( ~ direction_ , SurveyData)
XTTable
direction_
Metro
www.Metro.net
-Original Message-
From: Erik Iverson [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 14, 2008 15:47
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] Simple (?) subset problem
I can't tell exactly what's wrong, just check out the ?str and ?levels
of designing a post survey survey to generate additional
weights?
Thanks in advance,
Robert Farley
Metro
www.Metro.net
From: Farley, Robert
Sent: Thursday, June 26, 2008 15:48
To: 'r-help@r-project.org'
Subject: Survey questions
First the R
First the R question. I have the results of a rather large survey
(thousands of forms, each with dozens of questions) with some existing
weights and expansion factors. I wish to add additional weighting
factors, based on new information that elements of certain variables
should appear in certain
: Tuesday, June 17, 2008 23:40
To: Farley, Robert
Cc: r-help@r-project.org
Subject: Re: [R] read.spss {foreign} doesn't work over network?
This looks like a restriction on your network (assuming the file is
named
correctly). I can read SPSS files with read.spss over ours, and the
code
in read.spss
I'm unable to open an SPSS file over my network. If I copy it to my
local C:/ drive I can read it. I saved the command (in a crib sheet
text file) in order to avoid all the typing, so I'm pretty sure I've
done it before. I verified that the file I'm trying to read is OK.
This is what happens:
The common Monty Hall problem (where the MC helps out the contestant) is not
random! See:
http://en.wikipedia.org/wiki/Monty_Hall_problem
My edits were removed as I had no references. :-(
Maybe you can verify my statements, included below. :-)
Another analysis considers three types of
There may already be tools for gravity model APPLICATION, which is
simply an exercise in normalization. Perhaps if I describe the gory
details, someone will recognize the problem by another name.
A singly constrained gravity model is simply an exercise in normalizing
the rows of a matrix
I want to look at all the records making up a row and column of a
crosstab, but I'm not getting it right. I'm trying to use subset() but
my selection ((prod_act==other) || (attr_act==other)) gives my no
records. See the second table below. Getting just the row does work,
as seen in the third
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