Displaying 20 results from an estimated 516 matches for "hopkins".
2012 Jul 18
2
loop searching the id corresponding to the given index (timestamp)
...ata_2009[i,]))
dive_id <-
diveCond_all$dive_id[diveCond_all$timestamp==thisIndex]
cat(dive_id, thisIndex, "\n")
fishReport$dive_id[i+j] <- dive_id
fishReport$site[i+j] <- "Hopkins"
fishReport$level[i+j] <-
diveData_2009[i,"level"]
fishReport$transect[i+j] <-
as.numeric(diveData_2009[i,"TRANSECT"])
fishReport$depth[i+j] <-
as....
2008 Jul 01
3
dev.off() inside a function & other glitches
...y the
last one ever gets written to the file, whether or not I apply the
dev.off() trick above.
Any thoughts on why this stuff happens and best ways to avoid it are
appreciated.
Other info -> R 2.7.1 on Intel Mac 10.5.3.
TIA
Michael
______________________________________________
Hopkins Research Touch the Future
______________________________________________
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2005 Jul 08
2
Plotting a simple subset
...; 5 )
How do I do this in R? Have tried most of the obvious options without
success.
Can I have multiple subsets? I.e. In Stata: if( x < 5 && y > 3 )
TIA
Michael
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_/ _/ _/_/_/ Hopkins Research Ltd
_/ _/ _/ _/
_/_/_/_/ _/_/_/ http://www.hopkins-research.com/
_/ _/ _/ _/
_/ _/ _/ _/ 'touch the future'
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2007 Jul 24
3
Redirecting print output
I see a rich set of graphic device functions to redirect that output. Are there commands to redirect text as well. I have a set of functions that execute many linear regression tests serially and I want to capture this in a file for printing.
Thanks,
Stan Hopkins
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2006 Apr 03
6
problems with Rails 1.1 observe_field :with serialized
I''d like to use observe_field to watch a field, and then when it changes
send the entire form to the server. I had been using
<%= observe_field ''entity_name_''+@account.id.to_s, :frequency => 0.5,
:update => ''auto_complete_''+@account.id.to_s, :url =>
{ :controller => ''committees'', :action=>
2012 Jul 20
4
Voicemail Emails
Has anyone been able to make an html template for the voicemail emails. We would love to customize them beyond just plain text. We have dome some Google searches and have not been able to come up with much.
I believe that Switchvox has customized the voicemail email into html. Has anyone ever tried this? Thanks,
/Josh
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2010 Oct 01
1
'all subsets' fitting algorithm for Bayesian approach
...lable already? This is a very similar problem to all subsets regression.
My skill at manipulating strings in R is very limited; can anyone recommend some links or available functions which would make the separations and constructions required easy to achieve?
Thanks in advance to all
Michael Hopkins
Algorithm and Statistical Modelling Expert
Upstream
23 Old Bond Street
London
W1S 4PZ
Mob +44 0782 578 7220
DL +44 0207 290 1326
Fax +44 0207 290 1321
hopkins@upstreamsystems.com
www.upstreamsystems.com
IMPORTANT NOTICE
The information in this e-mail and any attached files is...{{dropped:2...
2012 Jul 16
4
Error in as.xts
...length(order.by)
Here is how the data looks like
> d1 <- read.csv(file.path(dataDir,"AppendixA-FishCountsTable-2009.csv"),
as.is=T)
> d1[1:3,]
dive_id date time species count size site depth level
TRANSECT VIS_M
1 62 10/12/2009 12:44 E. lateralis 2 15 Hopkins 15 B
1 4
2 62 10/12/2009 12:44 E. lateralis 1 22 Hopkins 15 B
1 4
3 62 10/12/2009 12:44 E. lateralis 1 25 Hopkins 15 B
1 4
> diveData_2009 <- as.xts( d1,order.by=as.POSIXct(strptime(paste(d$date,
d$TIME ), "%d/%m/%Y %H:%M&qu...
2012 Aug 20
1
Digium Phones
I have been looking for the specs (format, bit rate, ect) on custom ringtones for digium phones. Using the DPMA how would I deliver the ringtone to a digium phone?
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2010 Sep 24
1
Some questions about string processing
...x3" and add the "+" when I need them, or perhaps "*" instead, and also look at sub-models by removing parts of the string etc. What functions should I be looking at here and are there any examples available?
Thanks in advance. Feel free to CC me on your reply.
Michael Hopkins
Algorithm and Statistical Modelling Expert
Upstream
23 Old Bond Street
London
W1S 4PZ
Mob +44 0782 578 7220
DL +44 0207 290 1326
Fax +44 0207 290 1321
hopkins@upstreamsystems.com
www.upstreamsystems.com
IMPORTANT NOTICE
The information in this e-mail and any attached files is...{{dropped:2...
2005 Jul 15
1
2D contour predictions
...chael
P.S. Whilst I'm asking the list - is there an easier way of expressing a
full 2nd order model than the one I used above? I'm sure there is but
finding it etc etc...
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
_/ _/ _/_/_/ Hopkins Research Ltd
_/ _/ _/ _/
_/_/_/_/ _/_/_/ http://www.hopkins-research.com/
_/ _/ _/ _/
_/ _/ _/ _/ 'touch the future'
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
2012 Aug 02
1
Samba solaris 8 package with Windows 2008 support?
...ded Windows 2003 servers Active Directory to Windows 2008. Samba is not working now. Can someone suggest the best
Samba version for Solaris 8 that I can upgrade to that will support the new Windows 2008 authentication mechanism.
Thanks
-Steve
Stephen P. Michaels
ITSD Server Systems Group
The Johns Hopkins University
Applied Physics Laboratory
11100 Johns Hopkins Rd.
Laurel, MD. 20723-6099
(443) 778-7527 Office
(443) 324-2686 Mobile
2005 Jul 15
2
Another simple q - removing negative values
Sorry folks but again I have failed in my understanding of how to do a very
simple thing. I've read the various texts and searched the help archives
but no positive result so far.
I want to remove all the rows in a data frame where one of the variables has
negative values. In approx Stata pseudocode:
drop _all, if( x < 0 )
Please either point me to relevant sections of the docs or
2007 Nov 21
1
multiple comparison (glht) problem
...alternative = "less")
Errors are:
Error in try(coef.(model)) : could not find function "coef."
Error in modelparm.default(model, ...) : no 'coef' method for 'model'
found!
Thanks!
Regards,
Anqi Qiu
Anqi Qiu
Center for Imaging Science
Johns Hopkins University
Email: anqi at cis.jhu.edu
tel: 410-516-8103
Anqi Qiu
Center for Imaging Science
Johns Hopkins University
Email: anqi at cis.jhu.edu
tel: 410-516-8103
2009 Sep 20
4
running many different regressions
...variable 1 separately on every other variable (2-100) in a linear regression
using lm. There must be an easy way to do this without loops, but I have
difficulties figuring this out... Can you please help?
Thank you and best regards, Georg.
*****************************************
Georg Ehret
Johns Hopkins University
Institute of Genetic Medicine
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2007 Jun 20
4
finding roots of multivariate equation
Hello,
I want to find the roots of an equation in two variables. I am aware of the
uniroot function, which can do this for a function with a single variable (as I
understand it...) but cannot find a function that does this for an equation
with more than one variable. I am looking for something implementing similar
to a Newton-Raphson algorithm.
Thanks.
--
Bill Shipley
North American Editor for
2005 Jan 11
2
MIT Kerberos and OpenSSH
...=> /usr/lib/libwrap.so.3 (0x280e3000)
libpam.so.2 => /usr/lib/libpam.so.2 (0x280eb000)
libcrypto.so.3 => /lib/libcrypto.so.3 (0x280f2000)
libcrypt.so.2 => /lib/libcrypt.so.2 (0x281e7000)
libc.so.5 => /lib/libc.so.5 (0x281ff000)
Thanks
---
Gareth Hopkins
Server Operations
UUNET South Africa
2012 Jul 29
1
readRDS, In as.double.xts(fishReport$count) : NAs introduced by coercion
..." "S. OYT" "15"
"6"
2008-08-06 08:49:00 " 1" "08/06/2008" "8:49:00" "S. atrovirens" "1"
"23"
site depth level TRANSECT VIS_M TEMP_C swell_URSKI
2008-08-06 08:49:00 "Hopkins" "15" "B" "1" "3.5" "13.9" "1.0686708"
2008-08-06 08:49:00 "Hopkins" "15" "B" "1" "3.5" "13.9" "1.0686708"
> Report$count<-as.numeric(Report$c...
2007 Nov 26
3
determine the number of digits printed into graph with "text(...)"
...n a graph using "text(...)" - see code
below: "fraction" is my number. I wish to print only two digits of the
number and struggle to do this... options(digit=3) does not work...
Thank you for your suggestions! Cheers, Georg.
**********************************
Georg Ehret
Johns Hopkins
Baltimore
callrates<-read.table("RSG",col.names=c("variant","callrate"))
hist(callrates[,2],breaks=100)
fraction<-nrow(callrates[callrates$callrate>=0.9,])/nrow(callrates)
hist(callrates[,2],breaks=100)
text(0.4,500,"proportion of callrates >= 0.9:&qu...
2007 Aug 24
3
Merging two files together in R
...sure
that I am appending and merging the 2 files correctly. So far all ive really
been able to do is import the files into R…Ive been looking through the
posts, and was wondering if I could use cbind(…) to merge the files?...not
sure though.
Thanks again!!
Morassa Mohseni
PhD Student
Johns Hopkins Dept. of Human Genetics
Baltimore, MD
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