Hi Jim, Many thanks for your answer ! I tried what you suggested but it doesn't work. I've got NO error message, but nothing happens at the end : no graphs ! It seems to me that the command "plot_ly" and the "for" loop DO NOT coexist, that's why I ask you how to overcome this problem? Thank you again Dr Jim.
On Tue, Mar 30, 2021 at 4:37 AM Jim Lemon <drjimle...@gmail.com> wrote: > Hi Rachida, > My guess is that you create a vector of filenames: > > filenames<-list.files(path="FicConfig",pattern="*.txt") > > then use the filenames in the loop: > > for(filename in filenames) { > nextfile<- read.table(filename, header = TRUE, sep = "\t" , dec = > ",", skip = 0) > # do whatever you want with the resulting data frame here > # or perhaps save it into a list for processing later > } > > Jim > > On Tue, Mar 30, 2021 at 2:15 AM Rachida El Ouaraini > <elouara...@gmail.com> wrote: > > > > Hi everyone, > > I am new to R programming, and I am having difficulties modifying an R > > script to introduce the "for" loop in the code. > > While searching I found that this issue has already been raised, but I > did > > not know what to do to fix mine ! > > > > *The code that works (without for command):* > > > > CPM <- read.table("FicConfig/CPM.txt" , header = TRUE, sep = "\t" , dec = > > ",", skip = 0) > > # The CPM.txt file containe 1 line > > ...................................................................... > > ...................................................................... > > options(viewer = NULL) > > plot_ly() %>% > > htmlwidgets::onRender( > > "function(el, x) { > > var gd = document.getElementById(el.id); > > Plotly.downloadImage(gd, {format: 'png', width: 1000, height: 700, > > filename: 'AnomalieRR_EcartTmoy'}); > > }" > > )%>% > > add_trace(x =TAnn[ ,3], y = TAnn[ ,5], name = "Normale mensuelle de > > Tmax(en °C)",type = 'scatter', mode = 'markers', marker = list(size = T, > > symbol = 'circle', color = ~TAnn[ ,5], line = list(width= 2, color = > cl))) > > %>% > > add_annotations(text = TAnn[ ,1], x= TAnn[ ,3], y = TAnn[ ,5], font = > > list(color = "white", size = 14), showarrow = FALSE)%>% > > layout(title = paste("Combinaison anomalie relative annuelle des > > précipitations et écart annuel à la normale de la température moyenne à > > ",CPM[1,1],sep =""), > > xaxis = list(title = "Anomalie relative des précipitations > > annuelles(en %)", tickangle = 20 ,titlefont = list(color= "blue", size= > 14 > > , family = 'Arial'), tickfont = list(color = "blue", size = 14)), > > yaxis = list(title = "Ecart à la normale de la température moyenne > > annuelle(en°C)", titlefont = list(color= "red", size= 14 , family = > > 'Arial'), > > tickfont = list(color = "red", size = 14) , showline = TRUE, linecolor = > > "red", linewidth = 2), > > legend = list(x = 0.1, y = -0.3, font=list(size = 14,color= > > "black")),margin = list( > > t = 70, > > r = 70, > > b = 70, > > l = 70 > > )) > > *The code that does not work (with for command):* > > CPM <- read.table("FicConfig/CPM.txt" , header = TRUE, sep = "\t" , dec = > > ",", skip = 0) > > # The CPM.txt file containe several lines > > > > *for (i in 1: (nrow(CPM))) {* > > > > options(viewer = NULL) > > plot_ly() %>% > > htmlwidgets::onRender( > > "function(el, x) { > > var gd = document.getElementById(el.id); > > Plotly.downloadImage(gd, {format: 'png', width: 1000, height: 700, > > filename: 'AnomalieRR_EcartTmoy'}); > > }" > > )%>% > > add_trace(x =TAnn[ ,3], y = TAnn[ ,5], name = "Normale mensuelle de > > Tmax(en °C)",type = 'scatter', mode = 'markers', marker = list(size = T, > > symbol = 'circle', color = ~TAnn[ ,5], line = list(width= 2, color = > cl))) > > %>% > > add_annotations(text = TAnn[ ,1], x= TAnn[ ,3], y = TAnn[ ,5], font = > > list(color = "white", size = 14), showarrow = FALSE)%>% > > layout(title = paste("Combinaison anomalie relative annuelle des > > précipitations et écart annuel à la normale de la température moyenne à > > ",CPM[i,1],sep =""), > > xaxis = list(title = "Anomalie relative des précipitations > > annuelles(en %)", tickangle = 20 ,titlefont = list(color= "blue", size= > 14 > > , family = 'Arial'), tickfont = list(color = "blue", size = 14)), > > yaxis = list(title = "Ecart à la normale de la température moyenne > > annuelle(en°C)", titlefont = list(color= "red", size= 14 , family = > > 'Arial'), > > tickfont = list(color = "red", size = 14) , showline = TRUE, linecolor = > > "red", linewidth = 2), > > legend = list(x = 0.1, y = -0.3, font=list(size = 14,color= > > "black")),margin = list( > > t = 70, > > r = 70, > > b = 70, > > l = 70 > > )) > > > > *file.copy("C:/Users/pc/Downloads/Evolution Tmoy.png", > > paste("C:/MONOGRAPHIE/Resultats/Evolution Tmoy_",CPM[i,1],".png",sep="")* > > *}* > > > > > > Thank you very much in advance for any help. > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > -- *Best Regards, * *Cordialement, مع أجمل تحياتي * Rachida EL OUARAINI Service de la Réalisation des Modèles Appliqués et de la Télédétection Direction de la Météorologie Nationale du Maroc *Tél : +212 522 65 48 90* *Fax: +212 522 91 34 35* *"Your attitude, not your aptitude, will determine your altitude." Zig Ziglar* [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.