Dear R Users, I have a data frame of the nature: > head(aggregate_1986) Latitude Mean Annual Simulated Runoff per 1° Latitudinal Band 1 -55 574.09287 2 -54 247.23078 3 -53 103.40756 4 -52 86.99991 5 -51 45.21980 6 -50 55.92928 Mean Annual Observed Runoff per 1° Latitudinal Band 1 491.9525 2 319.6592 3 237.8222 4 179.5391 5 105.2968 6 136.6124 I am hoping to plot columns 2 and 3 against Latitude. I understand that you have to do this by plotting one column at a time, so I have been starting by attempting the following, but receiving errors: > plot(aggregate_1986[1] ~ aggregate_1986[2], type="l") Error in model.frame.default(formula = aggregate_1986[1] ~ aggregate_1986[2], : invalid type (list) for variable 'aggregate_1986[1]' Or... > plot(aggregate_1986[1],aggregate_1986[2], type="l") Error in stripchart.default(x1, ...) : invalid plotting method I'm obviously doing something fundamentally wrong (!). I'd be grateful for any suggestions as to how I should go about this. Many thanks, Steve
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