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Re: st: sts graph

From   Philip Ryan <>
Subject   Re: st: sts graph
Date   Fri, 01 Oct 2004 12:20:53 +0930

I will address the second of Anthony's questions.

The tick marks for the -censored()- option of -sts graph- are rendered by a call to -rspike- but there does not appear to be a way to call -rspike-s's options, in this case, -blcolor()-.

Now sts.ado is a fearsome thing to dabble with, and one hesitates, but I have nevertheless done so. I call the "new" program sts_kludge.ado and with good reason.

It allows just one more option: blcolor(-choice of color-) to render the colours of spikes at times of censoring. For example:

sysuse cancer
stset studyt, fail(died)
sts_kludge graph, censored(single) blcolor(green)

A far better approach would be to have a new option associated with -censored()- to allow multiple options of -rspike- to be invoked (as we have the pairs -atrisk- and -atriskopts(marker_label_options)- and -gwood- and -ciopts()- ). This would allow, for example, the use of -mlabcol()- to render the colour of the numbers censored.

I will send sts_kludge to Anthony separately - I think it is too much of an under-tested beast to let loose.


At 04:58 PM 30/09/2004 +0100, you wrote:

Dear Statalisters,

Two questions regarding the "sts graph" command to create standard
Kaplan-Meier plots

1) Using the "atrisk" option - can I alter the time interval so that I get
the number of cases at risk at the beginning of each year rather than at the
beginning of each time interval?

2) Using the "censored(.)" - how does one change the colour of the tick

Many thanks


Anthony V. Moorman, PhD
LRF Senior Scientist,
LRF Cytogenetics Group,
Cancer Sciences Division,
University of Southampton,
MP822, Duthie Building,
Southampton General Hospital,
Tremona Road, Southampton, SO16 6YD
Tel: (023) 8079 8403
Fax: (023) 8079 6432

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Philip Ryan
Associate Professor,
Department of Public Health
Associate Dean (Information Technology)
Faculty of Health Sciences
University of Adelaide 5005
South Australia
tel 61 8 8303 3570
fax 61 8 8223 4075
CRICOS Provider Number 00123M
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