search for: forestry

Hello all! I have a problem with R. I want to extract regression coefficients from summary and use it for compute the theoretical values. How can I do that in R? thank you! best regards, -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...;data.frame") I want to compute a double exponential equation like this: proc=a*exp(b*class)+c*exp(d*class) or proc=a*exp(b*class)+c*class or a power, logarithmic equation. Is there a possibility to calculate R squared for each model? Thank you! -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

Hello all! I want to create animated chart of temperature variation in last century. how can I do this with R? Thank you! -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...by 13 columns (year, and 12 months). I want to transform this data base in another like this year month values 1901 1 1901 2 1901 3 ..... 1901 12 1902 1 1902 2 .... 1902 12 Is there a possibility to succeed that in R? Thank you! best regards! CR -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...amount of sent and received bytes. I've seen this behaviour before in all circumstances if I've set "veto oplocks" for the file type. Using Mandrake 9.1 Samba 2.2.7a (the mandrake install) Win2000SP4 and WINXP sp1 Thanks for any info Hans Rasmussen Drafting/GIS Coordinator SBS Forestry Inc. 250-561-1140 _______________________________________________________ All emails incoming and outgoing from SBS Forestry Inc. are scanned by F-Prot Antivirus.

....924999917 97 1997 8.091666583 98 1998 8.675 99 1999 9.591666667 100 2000 9.916666742 101 2001 9.058333325 102 2002 9.516666583 103 2003 8.616666583 104 2004 8.91666675 105 2005 8.741666667 106 2006 8.658333333 107 2007 10.35833333 108 2008 9.974999992 109 2009 9.9 -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...c=a*exp(b*cls)+c*exp(d*cls). Please help me to solve this problem! Thank you! My data is: row.names proc cls 1 0.5 452.616206 0.5 2 1 255.864021 1.0 3 1.5 150.885316 1.5 4 2 86.289600 2.0 5 2.5 56.321559 2.5 6 3 39.504444 3.0 7 3.5 25.570308 3.5 8 4 5.382726 4.0 -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...ternating=TRUE,tick.number=1, stack=TRUE,type = "count", xlab="VNT",rot=c(180,180),draw=FALSE) Thank you in advance. Andy Andrew McFadden MVS BVSc Incursion Investigator Investigation & Diagnostic Centres - Wallaceville Biosecurity New Zealand Ministry of Agriculture and Forestry Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St Upper Hutt This email message and any attachment(s) is intended solely for the addressee(s) named above. The information it contains is confidential and...

...but unsuccessful. library("plyr") models<-dlply(dat1,"d",function(df) mod<-lm(y~x,data=df) ggplot(models,aes(.fitted,.resid), color=factor(d))+ geom_hline(yintercept=0,col="white",size=2)+ geom_point()+ geom_smooth(se=F) -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...if (a$date[i]>set & a$date[i]<set +7 ){a$wk<-1}else if (a$date[i]>set +7){a$wk<-2}else {a$wk<-3} } a Kind regards andy Andrew McFadden MVS BVSc Incursion Investigator Investigation & Diagnostic Centres - Wallaceville Biosecurity New Zealand Ministry of Agriculture and Forestry Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St Upper Hutt ######################################################################## This email message and any attachment(s) is intended solely for the addr...

...dog And therefore limit the data in dataset 1 to that which has the same x and y co-ordinates as dataset 2. Any suggestions? Regards Andy Andrew McFadden MVS BVSc Incursion Investigator Investigation & Diagnostic Centres - Wallaceville Biosecurity New Zealand Ministry of Agriculture and Forestry Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St Upper Hutt ######################################################################## This email message and any attachment(s) is intended solely for the a...

...es(b)=c("c","d") a;b I have tried: append(a,b) combine(a,b) rbind(a,b) I would appreciate your help. Kind regards andy Andrew McFadden MVS BVSc Incursion Investigator Investigation & Diagnostic Centres - Wallaceville Biosecurity New Zealand Ministry of Agriculture and Forestry Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St Upper Hutt ######################################################################## This email message and any attachment(s) is intended solely for the addr...

...7", "2008", "2009", "2010", "2011")) with a vector like this: extr<-c(1834,1876,1901,1928,2006) The results must be like this: row.names MCG3 extr only for the extr values. is possible to do this with R? Thank you! -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...e DISCLAIMER: This message and any attachments are confidential and intended solely for the addressee. If you have received this message in error, please notify the system manager/sender. Any unauthorized use, alteration or dissemination is prohibited. The Department of Water Affairs and Forestry further accepts no liability whatsoever for any loss, whether it be direct, indirect or consequential, arising from this e-mail, nor for any consequence of its use or storage.

...00 1.68600 1.61000 1.91200 2.70000 I can see by the summary that the y-value for the 3rd quartile is 1.912. How can I obtain the x-value for a specified y-value (e.g., 0.8)? Thank you! -- Benjamin Zuckerberg Doctoral Candidate State University of New York College of Environmental Science and Forestry Illick 244A, 1 Forestry Drive Syracuse, New York 13210 Tele: (315) 470-6985 E-mail: bzuckerb at syr.edu

...=level-5, colour="below")) + scale_colour_manual("Direction", c("above"="black", "below"="black")) Thanks, Edwin Changyou Sun, Ph.D. Associate Professor Natural Resource Policy & Economics Box 9681, Department of Forestry Mississippi State University Mississippi State, MS 39762 #363 Thompson Hall (662) 325 7271 (ph), 325 8726 (fax) csun@cfr.msstate.edu www.cfr.msstate.edu/forestry [[alternative HTML version deleted]]

Dear R users, Please help me to compute an exponential model with R. Thank you! -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]

...t;) In Microsoft access a simple way of recoding is to join two tables in a query any simple way of doing the same in R? Kind regards Andy Andrew McFadden MVS BVSc Incursion Investigator Investigation & Diagnostic Centres - Wallaceville Biosecurity New Zealand Ministry of Agriculture and Forestry Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St Upper Hutt ######################################################################## This email message and any attachment(s) is intended solely for the addr...

I have what R seems to consider a very large dataset, a 12MB text file of lat,long,and height values, 130,000 rows to be exact. Here's what I get: Thomas Colson North Carolina State University Department of Forestry and Environmental Resources (919) 673 8023 tom_colson at ncsu.edu Calendar: www4.ncsu.edu/~tpcolson

...2006 1.398500 1.2362115 1.5150000 2005 2.242083 1.9661923 2.4346957 2004 2.981229 2.6141827 3.2402000 2003 3.403312 3.1088077 3.7789478 2002 4.101750 3.8283269 4.5865130 2001 4.991583 4.8069038 5.6671391 Thank you very much! -- --- Catalin-Constantin ROIBU Forestry engineer, PhD Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]