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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
RE: st: RE: Automatically changing -ylabel()- values using -graph- |

Date |
Wed, 8 Jun 2005 02:04:41 +0100 |

There is a factor of 10 adrift between these two examples. Your example based on Scott's code has (e.g.) "50" plotted at 0.05, i.e. the ratio shown / underlying is 1000. Your example using -mylabels- has (e.g.) "50" plotted at 0.5, i.e. the ratio is 100. Hence results _should_ differ. Incidentally, I noted during a look at the help of -mylabels- that the one of the examples there is the wrong way round, and has been for a couple of years. That was probably the trigger for your original confusion. I'll get it fixed. As I am currently asleep, and this response is produced automatically, I will look at the graphs when I get them and are awake. Nick n.j.cox@durham.ac.uk Clive Nicholas > Nick Cox replied: > > > Your call is the wrong way round. You want (e.g.) > > the text "25" at 0.25. Stata's ignoring your label > > rules as irrelevant to the data you have. Start with > > > > mylabels 0(25)100, myscale(@/100) local(label100) > > > > Think "my graph labels that I want are 0(25)100, but > > my data scale is that of the labels divided by 100". > > > > I invented this beast, but I make the same mistake > > too some fraction of the time. > > Thanks for this. I followed this to the letter before calling the same > -twoway line- command (see below), but I'm _still_ not achieving the > result I want. I don't why. Following Scott Merryman's suggestion to: > > . twoway line beconch belabch beldmch quarter, xtitle("") /// > ylabel(.1 "100" .075 "75" .05 "50" .025 "25" 0 "0" -.025 "-25" /// > -.05 "-50" -.075 "-75" -.1 "100", angle(0)) xlabel(1 "Q1" /// > 2 "Q2" 3 "Q3" 4 "Q4") clpattern(longdash dash) scheme(s1mono) > > produces exactly the graph I expect to see. I should also > have mentioned > that my scale runs from -100 through zero to +100 (sorry > about that), but > the same problem ensues anyway. If I run > > . mylabels -100(25)100, myscale(@/100) local(label100) > -1 "-100" -.75 "-75" -.5 "-50" -.25 "-25" 0 "0" .25 "25" .5 > "50" .75 "75" > 1 "100" > > . myticks -100(25)100, myscale(@/100) local(tick100) > -1 -.75 -.5 -.25 0 .25 .5 .75 1 > > and then > > . twoway line beconch belabch beldmch quarter, xtitle("") /// > ylabel(`label100', angle(0)) xlabel(1 "Q1" 2 "Q2" 3 "Q3" 4 "Q4") /// > scheme(s1mono) ymtic(`ticks100') > > I get a heavily squashed graph where all three trendlines > deviate no more > than +/-10 percentage points around zero, whereas I should be > seeing all > sorts of sexy stuff going on all over the graph. I'll take > the liberty of > e-mailing the graphs privately to Nick, as it's not possible to > demonstrate here the visual difference between the graph I should be > getting (the 'right' graph) and the one I'm getting instead using > -mylabels- (the 'wrong' graph). > * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**RE: st: RE: Automatically changing -ylabel()- values using -graph-***From:*"Clive Nicholas" <Clive.Nicholas@newcastle.ac.uk>

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