search for: freshwat

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2010 Jan 19
5
OT: Software for specific visualisation of data...ideas?
...%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
2010 Oct 22
1
trouble with \textless in Hmisc latex() on a drop1 object
...ass{article} \begin{document} <<options, echo=FALSE, hide=TRUE>>= options(SweaveSyntax = "SweaveSyntaxNoweb") library(Hmisc) @ <<code>>= salmon <- data.frame(cbind(c(rep(0,49),rep(1,51)), rnorm(100), rnorm(100))) names(salmon) <- c("country","freshwater","marine") model1 <- glm(country~freshwater+marine, family="binomial", data=salmon) summary(model1) model1r <- round(drop1(model1),3) @ Here is some problem code. <<problemcode, results=tex>>= latex(model1r, file="", caption="signficance...
2016 Jun 28
2
termplot intervals - SE or CI?
...rovided in a report. The help file for termplot() suggests they're standard errors (se=T), but in the code the se.fit values from predict() are multiplied by 2, suggesting it's a rough 95% confidence interval, is that right? Many thanks, Eric Goodwin Scientific data analyst | Coastal and Freshwater Group Cawthron Institute Phone +64 (0)3 548 2319 | Mobile 027 439 1141 eric.goodwin at cawthron.org.nz<mailto:eric.goodwin at cawthron.org.nz> | www.cawthron.org.nz<http://www.cawthron.org.nz/> ##################################################################################### No...
2012 Dec 29
2
Error in plot.envfit(ef, p.max = 0.1) : (subscript) logical subscript too long
Hello there, I'm trying to plot vectors with p<0.1 in a NMDS ordination plot using p.max. Below the scripts I'm using. I guess I'm missing something! could you please give me a hand? species<-metaMDS(species_matrix)ef<-envfit(species,environmentaldata_file,permu=999,na.rm=TRUE)efplot(species, dis="sites")plot(ef,p.max=0.1) Error in plot.envfit(ef, p.max = 0.1) :
2009 Sep 15
5
identical(length(x), 1) returns FALSE, but print(length(x)) is 1, length(x)==1 is TRUE, and is.integer(lenght(x)) is TRUE????
Dear R, the condition: identical(length(x),1) returns FALSE but print(length(x)) returns 1 and: is.vector(x) is TRUE. is.integer(length(x)) is TRUE length(x) ==1 is TRUE I am puzzled. Regards -- Corrado Topi Global Climate Change & Biodiversity Indicators Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk
2009 Aug 08
2
Factor Analysis in R
Hi I am trying to run Factor Analysis using R...I am using the syntax factanal(m1, factors=3) but it's giving me an message Error in cov.wt(z) : 'x' must contain finite values only ...I am using a data set which is having only numeric variables and have some NA's also in it..What should I do next..Someone please help me out with the syntax..Thanks in advance Cheers Arup --
2003 Jul 22
1
Making a group membership matrix
...Blue Oak Woodland Chamise-Redshank Chaparral Closed-Cone Pine-Cypress 0 0 0 Cropland Desert Scrub Douglas-Fir 0 0 0 Eastside Pine Freshwater Emergent Wetland Jeffrey Pine 0 0 11342 Joshua Tree Juniper Lacustrine 0 1293 501 Lodgepole Pine Low Sage Mixed Chaparral...
2006 Oct 31
3
one problem about how to hold graphic with R
Sorry to disturb you, but can you help me to solve one little problem? I want to draw a graphic after another with R but I cannot find the first one after that. Do you know the command to hold the graphic with R? I remember with Matlab you may use "hold on". Thanks. -- Baohua Yang Email:yangbaohua@gmail.com [[alternative HTML version deleted]]
2009 Jun 17
1
Predict Fanny Membership
Hello List, My question is an elementary one. I have run a fuzzy kmeans cluster using FANNY to group freshwater fish assemblages. I then went in the field to validate that classification and have retrieved new assemblage data for a new suite of streams. Therefore I would like to use Predict to determine how well the original clustering fits the new data. However I have not figured out a straightforward way...
2007 Jun 07
1
Conditional Sequential Gaussian Simulation
Hello, I'm wondering if there are any packages/functions that can perform conditional sequential gaussian simulation. I'm following an article written by Grunwald, Reddy, Prenger and Fisher 2007. Modeling of the spatial variability of biogeochemical soil properties in a freshwater ecosystem. Ecological Modelling 201: 521 - 535, and would like to explore this methodology. Thanks Steve Steve Friedman, PhD Everglades Division Senior Environmental Scientist, Landscape Ecology South Florida Water Management District 3301 Gun Club Road West Palm Beach, Florida 3...
2012 Jul 24
1
Linear mixed-effect models and model selection
Hi, I am looking at the effect of allelochemicals produced by two freshwater macrophyte species on two different algal species at different days. I am comparing the effect of each macrophyte on each algae at each day. I received help from someone doing the LMEM (Linear mixed-effect models) and he told me to do ANOVA to analyse the LMEM. However, I received these feedback...
2008 Mar 03
7
help for the first poster- a simple question
Hi, there, I cannot get accurate value for calculation. for example: ld<-sqrt(1*0.05*0.95*0.05*0.95) 0.05*0.95-ld=-6.938894e-18 0.05*0.95-ld==0 is False. I met this problem in my program, how can I handle it. Thanks. xj.
2013 Feb 23
2
Merging labels on Pie chart
...erging the 3 slices? Alternatively, is there a way to extend the pointing lines, so that they could be different heights so as to avoid the overlap. Thank you! Melanie ____________________________________________ Melanie Zölck (Zoelck) PhD Candidate Galway-Mayo Institute of Technology Marine and Freshwater Research Centre Commercial Fisheries Research Group Department of Life Science Dublin Road Galway Republic of Ireland Mobile: +353 (0) 85 7246196 Skype: melaniezoelck E-mail: mzoelck@gmx.com or mzoelck@hotmaill.com [[alternative HTML version deleted]]
2010 Jul 14
4
reverse string
Dear all, Are there any functions in R to reverse the order of the string. smth like reverse("abc") to get "cba"? Thanks a lot. [[alternative HTML version deleted]]
2009 Aug 26
1
Batch replacement, by factor, of values in a data frame
...%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
2008 Jun 18
1
example() and "ask"
...%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
2009 Aug 08
2
Problem using model.frame with argument subset in own function
...%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
2009 Apr 08
2
sourced plot commands not working
I have source a script running with no errors that ends in these lines: ============== for (i in 2:3) win.graph() dev.set(2) levelplot(avg ~ procs * size, rrt, drape=T, colorkey=T,main="ops/sec",scales=list(x=list(tick.number=15),y=list(log=10))) dev.set(3) levelplot(avg ~ procs * size, ort, drape=T, colorkey=T,main="ops/sec",scales=list(x=list(tick.number=15),y=list(log=10)))
2011 Jan 27
1
Minor typo in influence.measures.Rd ?
...%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% -------------- next part -------------- A non-text attachment was scrubbed... Name: influence.measures.Rd.diff-patched Type: text/x-patch Size: 263 bytes Desc: not available URL: <https://stat.ethz.ch/pipermail/r-dev...
2018 Jan 10
1
termplot intervals - SE or CI?
...terval, is that right? I would assume they are what the help file says, but if I wasn't sure, I'd work them out for a simple case from first principles, and compare to what the code gives. Duncan Murdoch > Many thanks, > > Eric Goodwin > Scientific data analyst | Coastal and Freshwater Group Cawthron > Institute Phone +64 (0)3 548 2319 | Mobile 027 439 1141 > eric.goodwin at cawthron.org.nz<mailto:eric.goodwin at cawthron.org.nz> | > www.cawthron.org.nz<http://www.cawthron.org.nz/> > > > ##########################################################...