[R] Problem in graph plotting

David Winsemius dwinsemius at comcast.net
Wed Sep 23 14:22:03 CEST 2009


On Sep 23, 2009, at 7:58 AM, FMH wrote:

> Dear All,
>
> Let:
> dp: depth of the river
> tp: temperature with respect to depth
>
> We can have a simple scatter plot, between depth as y-axis and  
> temperature as x-axis, by using a plot function as shown below.
>
> #####################
> dp <- c(1,4,3,2,5,7,9,8,9,2)
> tp <- 1:10
> plot(tp,dp, type= 'l')
> #####################

Perhaps:

dp <- c(1,4,3,2,5,7,9,8,9,2)
tp <- 1:10
plot(tp, -dp, type= 'l')

>
> Could someone advice me on the way to plot the same pair of  
> observations, but with depth in descending order from the origin.  
> Instead of depth, I tried to simply use rev(depth), but the result  
> was bizarre.
>
> Thank you
> Fir
>


David Winsemius, MD
Heritage Laboratories
West Hartford, CT




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