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From |
sjsamuels@gmail.com |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: RE: Decrease range of y axis |

Date |
Mon, 31 Aug 2009 11:51:23 -0500 |

Thanks, Nick. I was completely unaware of -separate-. Correction: in my code, the phrase "if cdf<=0.5" should be "if cdf<=50" On Mon, Aug 31, 2009 at 11:42 AM, Nick Cox<n.j.cox@durham.ac.uk> wrote: > Note that > > levelsof factor, local(fac_lev) > foreach i of local fac_lev { > gen ydf`i' = cdf if factor==`i' > } > > is pretty much equivalent to > > separate cdf, by(factor) gen(ydf) > > Nick > n.j.cox@durham.ac.uk > > sjsamuels@gmail.com > > To plot multiple KM curves on the same graph by levels of some factor, > create a separate variable for each with something like: > ******************************************* > sts gen surv = s, by(factor) > gen cdf =100*(1-surv) > > **************************************************** > * Create a separate CDF for each factor level > **************************************************** > sort factor outcome > levelsof factor, local(fac_lev) > foreach i of local fac_lev { > gen ydf`i' = cdf if factor==`i' > } > > twoway scatter ydf* outcome if cdf<= 0.5 , // Add remaining options below > > On Mon, Aug 31, 2009 at 11:27 AM, <sjsamuels@gmail.com> wrote: >> -- >> The only solution that I've found to this problem is to generate the >> the failure curve (1 - the survival curve), using -sts gen- and then >> to use -twoway- with an -if- clause to limit the range and a >> "connect" option to connect the points. >> -Steve >> >> On Mon, Aug 31, 2009 at 7:37 AM, Philip Ryan<philip.ryan@adelaide.edu.au> wrote: >>> sts graph...., .... ylabel(0(.1).5, ang(hor) nogrid)..... >>> >>> Phil >>> >>> -----Original Message----- >>> From: owner-statalist@hsphsun2.harvard.edu >>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Fiona Bruinsma >>> Sent: Monday, 31 August 2009 10:00 PM >>> To: statalist@hsphsun2.harvard.edu >>> Subject: st: Decrease range of y axis >>> >>> Hi, >>> >>> I am creating a graph of a kaplan-meier curve. The y axis (cumulative >>> probability) ranges from 0.0 to 1.0 however all my values are less than 0.5 >>> making the data difficult to see. I would like to decrease the range of the >>> y axis from 0.0-1.0 to 0.0-0.50. I have tried yscale but notice in the >>> manual that this can only be used to increase the scale. I have not been >>> able to find any reference to decreasing the range. >>> >>> The syntax I have been using is as follows: >>> sts graph, by(tx_cen) failure noorigin ytitle("Cumulative probability of >>> delivery") /* >>> */ xtitle("Gestation (weeks)") ylabel(,angle(horizontal) nogrid) /* >>> */ title(" ") /* >>> */ legend(position(3) ring(0)) legend(col(1)) clpattern("l" "_") >>> legend(region(""))/* >>> */legend(region(lstyle(none))) graphregion(fcolor(white)) >>> > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > -- Steven Samuels sjsamuels@gmail.com 18 Cantine's Island Saugerties NY 12477 USA 845-246-0774 * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Decrease range of y axis***From:*"Fiona Bruinsma" <F.Bruinsma@latrobe.edu.au>

**Re: st: RE: Decrease range of y axis***From:*sjsamuels@gmail.com

**Re: st: RE: Decrease range of y axis***From:*sjsamuels@gmail.com

**RE: st: RE: Decrease range of y axis***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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