[R] convert an image to matrix, color frequencies

Dear R-users, In advance excuse me for this basic question. I´m trying to compare the coloration patterns on three spider species. In order to do that, I was trying to convert the image on a pixel matrix and compare them. Because of that, I´d like to know how to convert an image to a pixel

[R] Consulta sobre GLM-log linear

Estimados amigos, Estoy familiarizándome con los modelos lineales generalizados en R. Estoy interesado en realizar un análisis lig linear y me gustaría saber cuáles son o como extraer los valores correspondientes al chi cuadrado en el análisis para cada grupo y para las interacciones. Desde ya

[R] Chi square 1 d.f.

Dear Fellows, I am trying to find the exact p-value for some values using chisquare test with one d.f. So, for example the exact p-value for a calculated chi square of 14.62 would be 0,0038. I got this data on another software but I would like to know how to do it on R. Any advice will be really

[R] ANOVA Estimated effects may be unbalanced

Dear All, This is a data relating leg shaking on differenntre treatments. I reused several individuals so I want to know 1) if there are significative differences on shaking per treatment and 2) if the reused individuals presented some effect or significative variation. Nevertehless when I make

[R] GLMM in R

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] curve comparison

Dear R users, I have seven regression lines I´d like to compare, in order to find out if these are significatively different. The main problem is that these are curves, non normal, non homogeneous data, I´ve tried to linearize them but it has not worked. So I´d like to know if you know any

[R] Ad Hoc comparison non parametric ANCOVA

Dear R Users, Recently I began to use R. I`m interested about comparing several regression curves. REcently I found the package sm and the function sm.ancova which I understand allows me to do this. I applied this function to my data (seven regression curves) and I found that there are

[R] Ad Hoc comparison non parametric ANCOVA

Dear R Users, Recently I began to use R. I`m interested about comparing several regression curves. I found the package sm and the function sm.ancova which I understand allows me to do this. I applied this function to my data (seven regression curves) and I found that there are significant

[R] question about chi values GLM

Dear all, I am making an analysis using a GLM using three explanatory variables and a response variable. I need to obtain a table similar to this one, http://postimg.org/image/5sau79wlt/r nevertheless, I have not been able to do it. I am having a hard time specially getting the chi square

[R] 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] Fwd: Question about paired plotting

Hello R experts, I just found a new paper which shows the proper way (according to the authors) to show data, specially paired. I am very interested in presenting this kind of data, specially the scatter plott. I have found a way to present it using this link:

Re: [R] Fwd: Question about paired plotting

Dear John and Tim! Thanks a lot for your replies. This is just what I needed!! All the best for you!! 2015-05-04 13:58 GMT-03:00 John Kane jrkrid...@inbox.com: Hi Luis, Ah yes, that paper. I was rather shocked at what it implied :( People are still using dynamite plots, for heaven's sake!

[R] Question about cochran test in R

Dear R Experts, May be this is a basic question for you, but it is something I need really urgently. I need to perform a Chi Square analysis for more than two groups of paired observations. It seems to be ok For Cochran test. Unfortunately I have not found info about this test in R, except for

Re: [R] Sort data and symbol change in Jitter plot (ggplot2)

for me! again, thanks!!! 2015-05-05 4:34 GMT-03:00 Luis Fernando García luysgar...@gmail.com: Dear R experts, First than all I want to thank your expertise and for sharing your knowledge with the people who are starting. Recently I have been working on a new plot style (Jitterplot) but have

[R] Sort data and symbol change in Jitter plot (ggplot2)

Dear R experts, First than all I want to thank your expertise and for sharing your knowledge with the people who are starting. Recently I have been working on a new plot style (Jitterplot) but have still some issues when making two basic functions. First than all I want to change the symbol

Re: [R] New to R

Dear Boris, I am new too, but got a lot of help from this webpage. I hope it will work for you too, All the best! http://tryr.codeschool.com/ 2015-05-09 23:44 GMT-03:00 Boris Chow chow.bo...@gmail.com: Dear R users, I am new to R community and would like to dig into it. Would you advise

[R] 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-help@r-project.org mailing list -- To UNSUBSCRIBE

[R] sorting means for plot in descending order

Dear R experts, I am newbie on the R use, now I want to sort my data by mean in a descending and not acending order (like I have done so far). If any of you could help me with this, it would be really appreciated! Thanks! Please find the script attached with the summary of the dat object

Re: [R] Question on CCA and RDA analysis

: Luis Fernando García luysgarcia at gmail.com writes: 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! I hate to ask, but did you try Googling canonical correspondence analysis R

[R] help plotting glmm values

Dear Fellows, I´m sorry if my question is very basic, but I'm still new in the field of R and the GLMM. I have made a following glmm, and I need to plot the predicted mean values from the model and the CI, with this barplot +/- the CI, using the prey as explanatory factor. Although I have been

[R] Change breaks x axis in plot

I have the following graph: my problem is the scale, I just need it to show the values for 1 and 2 and remove the intermediate values (1.2,1.4,1.6,1.8). How could I do it? I'm, attaching the script code for the plot. Thanks in advance ###AV=mean values ##SD=Sd values plot(D ~ ferre$Cantidad,

[R] Question about ggplot2 symbol and legend change

Dear R experts, Maybe my question is too basic and I apologize for that. I am having an issue currently by trying to change manually the symbols of the series. I need to put them manually, instead of using the symbols that R gives by default and produce a plot with the classic style. For example

[R] Help on plot from transition matrix

Dear all, I am wanting to make a flow diagram like the one attached as an example for the given dataset ( https://drive.google.com/file/d/1CdtcJ5g6bp6jEoY7P6dKxO1mZWLEFZX7/view?usp=sharing ). The idea is to plot a flow diagram using the probabilities given by a transition matrix like the

Re: [R] Help on plot from transition matrix

> > On Mon, Aug 24, 2020 at 6:34 PM Luis Fernando García > wrote: > > > > I am wanting to make a flow diagram like the one attached as an example > for > > the given dataset. > > > > The idea is to plot a flow diagramm using the probabilities given by a >

[R] Help on plot from transition matrix

I am wanting to make a flow diagram like the one attached as an example for the given dataset. The idea is to plot a flow diagramm using the probabilities given by a transition matrix like the displayed in the example below. I have found some tools like DiagrammeR which might work for this

[R] Plot GEE confindence interval band ggplot2

Dear all, I want to plot a Generalized Estimating Equation (GEE) model, with interactions and the confidence interval using a similar style to ggplot2 . I have tried several packages but all of them produce errors. My idea I wanted to know if anyone knows a graphical package which works with

[R] Question about sjPlot lines and scale

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] Back transform confidence intervals sjplot (plot_model)

Hello all! I am having two isues with the sjplot package, When dealing with my data I have the following issue: Original data: https://docs.google.com/spreadsheets/d/1hoOfh78Ev03amXYwNxlWpwbdr1GcDtL_QBiErwxcJds/edit?usp=sharing library(ggplot2) library(geepack) library(sjPlot)

[R-es] Fwd: 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-es] Question about paired plotting

Hello R experts, I just found a new paper which shows the proper way (according to the authors) to show data, specially paired. I am very interested in presenting this kind of data, specially the scatter plott. I have found a way to present it using this link:

[R-es] consulta graficas para GLM

Estimados amigos y expertos del R, Les escribo para hacerles una pregunta que parece un poco sencilla pero me ha costado mucho. Estoy tratando de graficar los datos correspondientes a tasas de consumo de algunos organismos cuando están expuestos o no expuestos a un químico sobre tres tipos de