[R-sig-eco] Functional response question

Dear Fellows, I am new on the mailing list and kind of in R. I am tryinig to analyze some data about functional response and just wanted to know if some of you knows some source where I can learnhow to perform the analysis properly. I am specially interested about how to know if data points fit

[R-sig-eco] Functional response type II question, curve fitting and

Dear all, I am new on the list and on the more complex applications of R, so I ask you to excuse me if my mail is too long. This time I have to do several tasks related tu functional reponse. I want to evaluate the relationship between prey density (x) vs prey consumed(y) the idea is to fit the

Re: [R-sig-eco] Functional response type II question, curve fitting and

comparisons of estimated parameters among curves, I have no idea but I found, among other this post:http://stats.stackexchange.com/questions/26611/how-to-test-the-effect-of-a-grouping-variable-with-a-non-linear-model Good luck, Pierre Le 30/05/2013 07:49, Luis Fernando García Hernández a écrit

[R-sig-eco] Question on GLMM

Dear Friends, I am new on R so I ask you to excuse me if this question sounds fool. I want to see if there is a significativa relationship between the mating (response variable) and several explanatory variables such as individual number (categorical), leg movemente (continous) and the reuse of

[R-sig-eco] bootstrap and Levin index basics

Dear All I have been working on the R fully during very few time and I am really novice, so my question may look fool to many of you, but I need to do it. I have calculated Levin´s index (which is 1/sum(pi)˄2 where pi=available source i/sum of all sources) for some data and I have been

Re: [R-sig-eco] Question on GLMM

Dear all, Thanks for your suggestions.Tim thanks a LOOTfor your suggestion, model 1 and 3 worked perfectly I do not know yet why the second one did not work. All the best and many thanks again! 2013/5/31 Luis Fernando García Hernández luysgar...@gmail.com Dear Friends, I am new on R so I

[R-sig-eco] add mean, SE and SD lines to a non-linear regression

Hello R friends, I have a serious issue on R. I have some data about the functional response of a spider, over some prey, I am really needing to plot the data and add mean and SD and or SE bars to the graph but I have not found out how to do it! Does some of you have some idea about how to do

[R-sig-eco] Post Hoc tests GLM

Dear Fellows, I am trying to build a model in order to test the influence of the time of the day, on sex and behavioural category. After performing several modelations I chosen the best model which is glm(formula = Frec ~ Group+ Hour:Category, family = poisson) summarizing I have

[R-sig-eco] question about plot

Dear R friends, I have to produce a plot like the one attached on the file. The idea is to plot the time spent for a spider over several different prey, the spiders were repreated in the different trials. If any of you knows how to perform this plot or have any source which explains how to do it,

[R-sig-eco] Plot question

Dear R friends, I have to produce a plot like the one attached on the file. The idea is to plot the time spent for a spider over several different prey, the spiders were repreated in the different trials. If any of you knows how to perform this plot or have any source which explains how to do it,

[R-sig-eco] Color Analysis R

Hello! I would like to know if any of you knows how to make a statistical color comparison of some images using R. I am very interested about learning how to do this using R and also further analysis. If any f you has a sample text or a sample exercise I would really appreciate it. All the

[R-sig-eco] question about adehabitatHS package

Dear Friends! I have started using the adehabitatHS for source selection. It is great, but I have had some troubles interpreting the results and I wanted to know if any of you knew this library well. for example I wanted to know if Pvalues indicate non-random (positive or negative) selection and

[R-sig-eco] Help obtaining f values

Hello, I am new using the R software and I am a little concerned about an apparently easy procedure which is done in R. When I perform a GLM analysis, I usually get the deviance, df and p values. Nevertheless, for publishing, reviewers require the F value. Although I have looked in several

[R-sig-eco] Question about GEE and interaction plot

Hello all! I am trying to analyze a dataset using the GEE. This is what I have so far C=read.table(Cnarinofinal4.txt,header=T) attach(C) names(C) library(geepack) Form - formula(Conteo~Grupo+Tiempo+Comportamiento+Comportamiento*Grupo+Comportamiento*Hora) M4 - geeglm(Form,family = poisson, id

[R-sig-eco] Ancova Plot R

Dear R users. I have an urgent question to make you, hopefully you can help me. This is my first time making an ancova test in R. I have finished the model design and now I need to plot it. I have found several online sources where the mechanics for plotting data is explained, nevertheless all

[R-sig-eco] Edit plot adehabitatHS

Dear R experts, I am making a selectivity analysis using the package. Nevertheless, I am having some troubles, and I would like to know if somebody know how to help me: 1) When changing the x-axis labels. The programm uses the name habitat instead of the names specified in the file. 2) Is it

[R-sig-eco] Functional response using frair package

Dear R friends,} I am trying to perform a functional response analysis in R. I have not found lot of packages except for the frair package( http://cran.r-project.org/web/packages/frair/frair.pdf). Some of the exercises in the manual are not so simple, so I wanted to know if any of you know this

[R-sig-eco] Change ggplot legend

Dear R experts, I am trying to make a new plot. I have already finished and I just want to change the color for the axis number and the legends, I have tried to make the last function by removing the legend and adding a new one but it did not work. If any of you knows how to correct this, I

[R-sig-eco] Question on CCA and RDA analysis

Dear R experts, I wanted to know if you can suggest me any website or tutorial just to learn about how to make a RDA or CDA in R Thanks in advance! [[alternative HTML version deleted]] ___ R-sig-ecology mailing list

[R-sig-eco] Fwd: sorting means for plot in descending order

-- Forwarded message -- From: Luis Fernando García luysgar...@gmail.com Date: 2015-04-09 3:11 GMT-03:00 Subject: sorting means for plot in descending order To: r-h...@r-project.org Dear R experts, I am newbie on the R use, now I want to sort my data by mean in a descending

[R-sig-eco] Basic question about summary interpretation

Dear R fellows, I am sorry if my question is too basic (for most of you it might be) but there is something which always gets me a bit confused when using R. This time I am making an exercise where I have to find the slope and intercept of two hypothetical lines which are being compared by using

[R-sig-eco] Compare two indexes by bootstrap

Dear R users, I am trying to compare two trophic indexes not available in R by using boostrap. Although I have used R I am not very familiar by making this procedure and have not used suitable examples as many of them compare similar (diversity) indexes by using the functions included in vegan

[R-sig-eco] Dat input inext sample

Dear R users, I am new using the package inext. I am needing to introduce a dataset which contains the information of the species abundance in three localities. Unfortunately the number of species per site is extremely long to do it by "hand". I tried to create some matrixes in a txt file but it

[R-sig-eco] Diversity analysis

Dear all, I hope all of you are well with the current situation. This time I'm writing you to ask for a suggestion. I am very interested about comparing the diversity and other ecological parameters of five environments using the Hill numbers. I have found some packages to do this, however some

[R-sig-eco] Question about Eveness value comparison

Dear all, I am wanting to compare the Eveness value in four localities. I found the sbdiv function in the simboot package which makes exactly what I need with Shannon index, with confidence intervals and p-values. However the package has not the same function for eveness. Does any of you know a

[R-sig-eco] Question when plotting a model with sjplot

Dear all, I am trying to plot a model using sjPlot. however when doing it, error bars are non-centered.I wanted to know if somebody knows how to plot it. Many thanks!! ###Script Copy data from here

[R-sig-eco] plot confidence interval binomial glm

Dear all, I am using the sj Plot package, but I have had some issues when plotting. The main question I have is that when plotting a binomial GLM, lines are not smooth, but they look broken (see

[R-sig-eco] change axis scale plot R

Dear all, I am wanting to improve a plot made with the package sjPlot. When plotting this model Plot produced looks like this https://docs.google.com/presentation/d/1Pqm6BcJXdSQ6U1zmv5FV7gBcn1afHHv7rlQHe6j59_c/edit?usp=sharing, especially red and green lines. I just have two concerns with

[R-sig-eco] R package

Dear all, I'm trying to track and quantify (speed, distance, activity period) of some beetles using R. I've seen the tensorflow-related packages, but I wanted to know if anyone has a similar examples using this package or if somebody knows another one. best! [[alternative HTML version