search for: silvicultur

Displaying 20 results from an estimated 22 matches for "silvicultur".

Did you mean: silviculture
2007 Nov 27
2
str() options
Hello, Is there a way to have str() and ls.str() return all factor levels? Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2011 Jul 29
5
coordinates from locator function in POSIXct format
...rdinates. The x coordinates are not in a POSIXct format, I guess R is returning the x coordinates in a time unit as miliseconds or something else. Do anyone how to get the x coordinates directly in a POSIXct format? Thanks in advance! Cristabel. Cristabel Dur?n Rangel. PhD Student. Institute of Silviculture. Faculty of Forest and Environmental Sciences. University of Freiburg. Germany Telf: +49 (761) 203 8604 (ofc) ?Man lernt die Physiognomie einer Landschaft desto besser kennen, je genauer man die einzelnen Z?ge auffa?t, sie untereinander vergleicht und so auf dem Wege der Analysis den Quellen der...
2008 Oct 10
2
Fatal error: unable to restore saved data in .RData
...1 grid_2.7.2 svMisc_0.9-5 tools_2.7.2 sysname release version machine "Windows" "XP" "build 2600, Service Pack 2" "x86" # system info: ### ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2007 Nov 20
1
Process multiple columns of data.frame
...#39;] <- 0 Bout[is.na(Bout$ht.n), 'ht.n'] <- 0 Bout[is.na(Bout$dbh.n), 'dbh.n'] <- 0 Would the form of such a command be different between numeric, character and factor columns? . . . between data.frames and matrices? Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 Jun 19
3
YAPMQ - Yet Another PlotMath Question
...having trouble finding (remembering) how to pass values into text functions in plots, as demonstrated by: slope <- 45 ; plot(1:10) ; text(2, 7, labels = expression(45~degree)) ; text(2, 5, labels = paste(bquote(.(slope)), expression(degree))) Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2008 Feb 12
3
Reorder data frame columns by negating list of names
...ew positions, something like: > xxx[,c( c('b', 'd', 'h'), -c('b', 'd', 'h') )] Error in -c("b", "d", "h") : invalid argument to unary operator Suggestions? and Thank you, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 May 06
2
list manipulation
...98 768 7 oplt tree bd ht spr stat dam bn1999 654 7 oplt tree bd ht dbh stat dam bn2003 1407 9 oplt tree bd94 ht94 ht99 ht02 ht03 stat dam [[1]] NULL [[2]] NULL [[3]] NULL [[4]] NULL [[5]] NULL [[6]] NULL [[7]] NULL [[8]] NULL Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 Apr 09
3
Changing default plot behaviour
...marks inside on all axes, labels only on two (arbitrary?) sides) without needing the five additional commands each time? plot(1:10, axes=FALSE) axis(1, tcl=0.5) axis(2, tcl=0.5) axis(3, tcl=0.5, labels=FALSE) axis(4, tcl=0.5, labels=FALSE) box() Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 May 26
1
SciViews and Tinn-R installation problem
...2-41 proto_0.3-8 reshape_0.8.0 car_1.2-8 [8] svSocket_0.8-9 svIO_0.8-9 R2HTML_1.58 svMisc_0.8-9 svIDE_0.8-9 loaded via a namespace (and not attached): [1] lattice_0.17-8 svGUI_0.8-9 svViews_0.8-9 Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2008 Dec 09
2
assign()ing within apply
...ot;mh" "iw" "or" "mh" "sm" "be" "be" "be" "or" "or" , I just can't remember how to get them back into the original dataframe objects. Suggestions? Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2009 Jul 10
1
Degree of freedom in the linear mixed effect model using lme function in R
...uld I do to ensure that I have correct results from the summary function applied to my model (correct t- and p-values)? Thanks in advance. With regards, Sidzabda Djibril Dayamba, Swedish University of Agricultural Sciences Faculty of Forest SCience Southern Swedish Forest Research Centre Tropical Silviculture and Seed Laboratory PO Box 101 SE - 230 53 Alnarp, Sweden Tel: +46 76 83 515 70 (Mobile) +46 40 41 53 95 (Office) [[alternative HTML version deleted]]
2008 Jan 17
2
Converting plots to ggplot2
...sysname release "Windows" "NT 5.1" version machine "(build 2600) Service Pack 2" "x86" ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2006 Sep 06
1
Help on estimated variance in lme4
...ResCondCorp -0.309 -0.010 0.302 -0.032 ### Here is the error message: ### Warning message: Estimated variance for factor 'factor(cdrgsaou2$ids)' is effectively zero in: LMEopt(x = mer, value = cv) ### Thank you very much by advance for any help. J?r?me Lema?tre Ph.D. student Silviculture-wildlife research chair in irregular boreal forests & D?partment of biology, Faculty of Sciences and Engineering Alexandre-Vachon building University Laval Quebec, QC G1K 7P4 Phone : (418) 656-2131 poste 2917 Office : VCH-2044 Email: jerome.lemaitre.1 at ulaval.ca
2007 Dec 20
1
Available environment variables
...variables? I would like to know if there is an existing convention for any arbitrary process that I may try to do without reinventing the wheel. This same question could apply to options() other than those included with a standard installation. Thanks, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 Apr 10
1
Recovering SPlus GraphSheets
Hello, Is it possible with R to recover the contents of SPlus GraphSheets (*.sgr) without access to SPlus? Also, some of the .sgr files may have multiple pages. Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca
2008 Jun 17
0
echo Rprofile.site on startup
...es the same process work for all of Rprofile.site, .Rprofile, .First, .Last (, etc.?) profile files? Is there a 'best practice' on which of the profile files one should use? I use only the Rprofile.site since I am the only user on my PC. Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri ************************************* Sys.info() sysname release version machine...
2011 Sep 23
1
Envfit, inconsistant result?
...quot;Rv_borde.", "Aristotelia as border tree (%)")] # the Envfit calculation exp_flor1 <- envfit(gap_flor_NMDS_chord, explain1, permu = 999, na.rm=T) Thanks a lot for your help, comments and input! ----- Rodrigo Vargas G. ----------------------------------------- Silviculture Institute Freiburg University -- View this message in context: http://r.789695.n4.nabble.com/Envfit-inconsistant-result-tp3836585p3836585.html Sent from the R help mailing list archive at Nabble.com.
2008 Jun 04
1
ggplot questions
...l be plotted across each oplt in the views below and each rplt in expanded views. All locations (rplt centers, tree positions) are recorded as azimuth and distance from their respective plot centers, hence my inclination to use polar coordinates. Thanx, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2008 Oct 09
1
YALAQ - Yet Another LApply Question
..."yrc", "az", "dist", "com"), row.names = c(366L, 758L, 335L, 285L, 600L, 61L, 583L, 283L, 1184L, 671L, 1422L, 818L, 930L, 1006L, 1331L, 1299L, 447L, 996L, 343L, 757L), class = "data.frame") # sample data ### ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ontario.ca/ofri
2008 Feb 08
1
Can I index a dataframe with a reference from/to a second dataframe?
...t;, "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34"), class = "data.frame") Thanks, DaveT. ************************************* Silviculture Data Analyst Ontario Forest Research Institute Ontario Ministry of Natural Resources david.john.thompson at ontario.ca http://ofri.mnr.gov.on.ca