[R] "for" loop does not work with my plot_ly command

Mika Hamari m|k@@h@m@r|73 @end|ng |rom out|ook@com
Tue Mar 30 13:52:10 CEST 2021


Hi!

That is familiar: loop goes on, but nothing visual happens. Normally when I don't get output of the loop, I put the output-line inside the function print(), and it works. But in this case it probably doesn't help. I am sure that someone here can help you, Rachida.

Mika



Lähetetty Samsung Galaxy -älypuhelimesta.


-------- Alkuperäinen viesti --------
Lähettäjä: Rachida El Ouaraini <elouaraini using gmail.com>
Päivämäärä: 30.3.2021 12.25 (GMT+02:00)
Saaja: Mika Hamari <mika.hamari73 using outlook.com>
Kopio: r-help using r-project.org
Aihe: Re: [R] "for" loop does not work with my plot_ly command

Hi Mika,
and thank you very much for your answer.
When I add the "for" loop to the code that produces before the graph I want, it does nothing :
NO graph and NO error message.
It seems to me that the command plot_ly and the for loop DO NOT coexist.

Rachida

On Mon, Mar 29, 2021 at 7:44 PM Mika Hamari <mika.hamari73 using outlook.com<mailto:mika.hamari73 using outlook.com>> wrote:
Hi!

I am also learning, but I want try to help. I often use for-loop in R. I think that it could be due to dimensions of CPM, not the structure of the loop.

What kind of error message do you get? Is it: ”incorrect number of dimensions”? What happens if you substitute in the end instead of CPM[i,1] this:

file.copy("C:/Users/pc/Downloads/Evolution Tmoy.png",
paste("C:/MONOGRAPHIE/Resultats/Evolution Tmoy_",CPM[i],".png",sep="")

Lähettäjä: Rachida El Ouaraini<mailto:elouaraini using gmail.com>
Lähetetty: maanantai 29. maaliskuuta 2021 18.15
Vastaanottaja: r-help using r-project.org<mailto:r-help using r-project.org>
Aihe: [R] "for" loop does not work with my plot_ly command

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<https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fel.id%2F&data=04%7C01%7C%7Cd44ce15fde0549644d4e08d8f35dca77%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637526931442844620%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Nn3hw1AfZso8HiTjtOYAEkzplnB3QRSrFQ5qoyNwJVA%3D&reserved=0>);
     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<https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fel.id%2F&data=04%7C01%7C%7Cd44ce15fde0549644d4e08d8f35dca77%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637526931442854613%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=cjSxT%2BeaoRtlaDOKMHY910Pd0f8kJMVs35PErOpqfak%3D&reserved=0>);
     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.

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--
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


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