[R] Cumulative Frequency Graph

[Peter Ehlers]

On 2013-03-19 07:06, Shane Carey wrote:
> Hi Rui,
>
> Thanks.
> This works fine, but how do I only have showing the values where the breaks
> are? For my "duration" data, I have over 3541 records and I only want to
> show the data at the breaks.
>
> Thanks

The first thing to try is .... read the help page!

?axis will show you how to use the 'at' and 'labels' arguments of
the axis() function.

Peter Ehlers

>
>
> On Tue, Mar 19, 2013 at 2:00 PM, Rui Barradas <ruipbarradas at sapo.pt> wrote:
>
>> Hello,
>>
>> Try setting the argument xaxt (x axis type) to "n" (no x axis) and then
>> use ?axis.
>>
>>
>> plot(breaks, cumfreq0,            # plot the data
>>     main="Old Faithful Eruptions",  # main title
>>     xlab="Duration minutes",        # x-axis label
>>     ylab="Cumulative eruptions",   # y-axis label
>>     xaxt = "n")
>> lines(breaks, cumfreq0)
>> axis(1, at = duration)
>>
>>
>> Hope this helps,
>>
>> Rui Barradas
>>
>> Em 19-03-2013 12:34, Shane Carey escreveu:
>>
>>   Hi,
>>>
>>> I am trying to create a Cumulative Frequency graph and I am using the
>>> following example:
>>> http://www.r-tutor.com/**elementary-statistics/**
>>> quantitative-data/cumulative-**frequency-graph<http://www.r-tutor.com/elementary-statistics/quantitative-data/cumulative-frequency-graph>
>>>
>>> When I plot this data, how do I put in "real values" on the x-axis, rather
>>> than the values that
>>> are used for the breaks
>>>
>>> Thanks
>>>
>>>
>
>