Displaying 20 results from an estimated 78 matches for "tortuga".
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tortugas
2010 Oct 19
2
Clustering with ordinal data
...procedure in R that can handle ordinal based
classification and so far have not found one.
Does one exist ? If there is one, which package supports this type of
analysis and what is the function ?
Thanks in advance.
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 Jul 09
2
Ctree Question
...is my question:
Since my model has 55 nodes and 28 terminal nodes,(ie many branches) is it
feasible to color code the each of the major branches and track the paths
down the decision tree?
R 2.11.1, Windox XP
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2011 Nov 03
3
Plotting skewed normal distribution with a bar plot
...kewed-normal curve if
I don't know these parameters in advance?
Is there another function to calculate the skew-normal, perhaps in a
different package?
I'm working with R 2.13.2 on a windows based machine.
Steve Friedman Ph. D.
Ecologist / Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 Jun 25
1
variograms and kriging
...d krigging. Without a
good road map to follow however, I've had to a number of about faces. Not
sure which way to turn now.
Can anyone provide guidance?
Using Windows WP and R 2.11.1 packages updated today.
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Apr 28
3
help working with date values
...<NA> <NA> on and on
and on ...
> x <- strsplit(observation_date, "-")
Error in strsplit(observation_date, "-") : non-character argument
All help is greatly appreciated.
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Feb 11
0
More help with Binary Files
...of the records for just the first
year, not all of the records in the binary file. I also therefore need to
better understand how to read a set of records for year 2, 3, 4, ... 37.
Any ideas ?
Thanks for your assistance
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
Henrik Bengtsson...
2010 Feb 24
2
mlogit is not an S4 object error
...e(object at call) :
trying to get slot "call" from an object (class "mlogit") that is not an
S4 object
I'm running on Windows XP R 2.10.1
Does anyone have any ideas why this is failing ?
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Feb 02
2
Upgrading to TINN - R 2.1.1.6
...mp/selection.r',
'C:/Documents and Settings/username/Application Data/Tinn-R/tmp/block.r',
'C:/Documents and Settings/username/Application Data/Tinn-R/tmp/lines.r')
what am I missing ?
Thanks in advance.
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 May 10
2
Installing randomForest on Ubuntu Errors
...'randomForest' had a non-zero exit status
>
The package loads correctly on my windows box, but not on the linux side.
Is this package available for Ubuntu Linux, if so what should I do to
install it?
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Mar 31
3
labeling panels in lattice plots
...I'm following an example in the Lattice Book by Deepayan Sarkar
(which I find very informative - thanks), but I'm not getting the results
as per the example.
Can anyone offer a solution?
Thanks in advance.
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 May 18
2
Superscripts and subscripts in trellis graphics
...panel.text(x=1995, y = 0.25, labels="Flooded Eggs\nR^2
= -0.50", cex = 0.75)
panel.text(x=1986, y = 0.3, labels="Mean HSI", cex =
0.75)
trellis.unfocus()
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 Jun 21
2
ctree
...erDepMaxAve + seventeenDayWaterDepMinAve +
thirtyoneDayWaterDepthMaxAve + wetIntensityAve + BulkDensity + LOI + TP +
TN + TC + Total_Mg, data = Marsh)
plot(Marshct)
Working in Windows XP with R2.11.1 (2010-05-31)
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Dec 08
2
Upgrading To 2.10 from 2.6.2
...uld not find the F77 compiler.
My sys admin and I searched for a compiler, but have not succeeded in
finding one compatible for Ubuntu 8.04.
2nd Question:
Would you be so kind and point me towards one?
Thanks in advance
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Dec 03
1
how to use different ylim scales on a lattice bwplot?
...ment.
Is there an approach to modifying the bwplot function to allow for a
dynamic ylim range given different panel factors ?
He is using R 2.6.2 on a Linux distribution running from a CD.
Thanks for the assistance.
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 Jan 26
1
Install R 2.10.1 on Windows XP Errors
...update.packages(checkBuilt=TRUE, ask = FALSE)
> update.packages(checkBuilt=TRUE, ask=FALSE)
Error: could not find function "update.packages"
Has anyone else experienced this - what is the fix ?
Thanks in advance.
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 Jun 08
1
restructuring "by" output for use with write.table
...lass '"by"' into a data.frame
Is there anyway to convert these output objects for use with write.table or
an alternate method such that I can output to a word processing system?
Windows R 2.11.1
Thanks
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2008 Nov 13
1
Plotting from a list
...to develop a series of barplots for each scenario year
consisting of six bars representing the subpopulations. Rather than
writing 36 lines of code, I'd like to automate this with a loop process,
Any suggestions ?
Thanks
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Apr 23
1
Setting lattice par parameters
...t("par.ylab.text")
> trellis.par.get("par.xlab.text")
It looks like the parameters have not been modified.
Do I need to do something different than this approach ?
Thank you very much in advance.
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2009 Aug 31
1
Problem with R.2.9.2 Plot functions
...ddly produces a box and whiskers plot.
I uninstalled 2.9.1 and installed 2.9.2 and ran the same commands. Same
output.
Is anyone else experiencing this conflict between bwplot and plot ?
I'm working on windows XP.
Thanks
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
2010 May 10
0
Fw: [R] Installing randomForest on Ubuntu Errors
I encountered difficulties installing randomForest on a Ubuntu Linux OS.
Dirk was very helpful and provided the solution below.
Many thanks.
Steve
Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034
Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax (305) 224 - 4147
----- Forwarded by Steve Friedman/EVER/NPS on 05/10/2010 10:53 AM -----...