search for: tortuga

...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

...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

...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

...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

...<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

...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...

...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

...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

...'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

...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

...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

...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

...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

...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

...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

...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

...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

...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

...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

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 -----...