Re: [R] Controlling plot axis for dates

2014-02-27 Thread Prof Brian Ripley
On 27/02/2014 17:09, David Parkhurst wrote: I’d like to control the number of tick marks on the “x” axis of a plot, when the variable there is dates. I thought to use the xaxp parameter, but the documentation for par says “It [i.e., xaxp] is only relevant to default numeric axis systems, and not

[R] Controlling plot axis for dates

2014-02-27 Thread David Parkhurst
I’d like to control the number of tick marks on the “x” axis of a plot, when the variable there is dates. I thought to use the xaxp parameter, but the documentation for par says “It [i.e., xaxp] is only relevant to default numeric axis systems, and not for example to dates.” My question, then