Dear all
I know that it is a very simple question but it seems that I cannot change the
colour in the bars.
I have the following dataframe:
A B C D E
F G 0.0.24 152460 474
5.5 612000 59061000 1540313
and here is the script:
setwd("~/Desktop")
emission<-read.csv("emission from land.csv")
attach(emission)
#define the formulas
Emission_from_Land<-A*B*C*DEmission_from_Access_Road<-E*(F/1000000)*CEmissions_from_well<-(G/1000000)*E*C
#combine my outputs into a new dataframe
dat<-cbind(Emission_from_Land, Emission_from_Access_Road,
Emissions_from_well_pad)
#plot a barplot
barplot(dat, ylab="Kg-CO2 Eq", ylim=c(0.0e+00, 2e+10), axisnames=FALSE,
col=c("blue", "red", "orange"),
main ="Well Site Construction Emissions", legend.text=c("Land",
"Access", "Well"),
args.legend = list(x="bottom", horiz="TRUE", bty="n", inset=c(-0.5,
-0.25)))
When I add the col= argument, the colour changes in the legend but not the
actual bars in the plot. I don't know what I am doing wrong. I know that I am
missing something but I cannot figure it out.
I would very much appreciate for your help.
Many thanks,Maria
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