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Can you please explain what is happening in each line of code below using pseudocode? This was written using RStudio library(sp) library(rgdal) library(terra) station_name

Can you please explain what is happening in each line of code below using pseudocode?

This was written using RStudio

library(sp) library(rgdal) library(terra)

station_name<-c("Aguila", "Bonita", "Bowie", "Buckeye", "Coolidge", "Desert_Ridge", "Harquahala", "Maricopa", "Mohave", "Paloma", "Parker", "Payson", "Phoenix_Encanto", "Phoenix_Greenway", "Queen_Creek", "Roll", "Safford", "Tucson", "Yuma_Valley")

station_number<-c("07", "09", "33", "26", "05", "27", "23", "06", "20", "19", "08", "32", "15", "12", "22", "24", "04", "01", "02")

counter<-1 year<-11 STATION_period<-710 Drange<-1

for(counter in 1:1){ for(year in 11:20){ print(paste0(station_name[counter], station_number[counter], year)) sta_no<-as.integer(station_number[counter]) iteration<-((sta_no*100)+year) data_source_directory<-paste0('http://azmet.arizona.edu/azmet/data/',station_number[counter],year,"rd.txt") AZMET_Data<-read.csv(url(data_source_directory),header=FALSE) colnames (AZMET_Data)<- c("Year", "DOY", "STATIONno","Tmax","Tmin","Tmean","RHmax","RHmin","RHmean", "VPDmean","SOLARtotal","PRECIPtotal","4inSOILTmax", "4inSOILTmin","4inSOILTmean", "20inSOILTmax", "20inSOILTmin", "20inSOILTmean", "WINDvelocitymean", "WINDvectormagnitude", "WINDvectordirection", "WINDstandarddeviation","WINDvelocitymax","HEATunits", "ETo", "ETos","ACTUALVPDmean", "DEWPOINTmean") YEARLYTmax<-mean(AZMET_Data$Tmax) YEARLYTmin<-mean(AZMET_Data$Tmin) DAILYTrange<-YEARLYTmax-YEARLYTmin Drange<-c(Drange,DAILYTrange) year=year+1 } counter=counter+1 STATION_period<-c(STATION_period, iteration) FINALTRange<-mean(Drange[2:11]) print(paste0(STATION_period," ",STATION_name," ",FINALTrange)) }

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