On 07.12.2011 13:06, John Visagie wrote:
Dear All,

I am having a very basic error, but somehow do not know how to resolve it.  I've read a 
dataset in .csv into R with two columns - sector, export.  When trying to plot the data 
it says "sector not found"  This is the formula.

  SouthAfrica<-read.csv(c,header=T)
hist(sector$exports,xlab="exports (MtCO2)",main="CO2 Exports")


Err, you either want SouthAfrica$sector or SouthAfrica$exports.

Uwe Ligges


Error in hist(sector$exports, xlab = "exports (MtCO2)", main = "CO2 Exports") :
   object 'sector' not found

Could somebody please assist?

Kind regards,

John

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