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

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

Subject |
st: RE: gr bar for string variable |

Date |
Fri, 7 Mar 2008 19:16:05 -0000 |

b. water: You asked about bar graphs in January. In that thread -catplot- from SSC was flagged as an alternative to do-it-yourself counting and graphing. That remains true for your questions here. Here is an example. sysuse auto, clear catplot hbar foreign rep78, percent(rep78) asyvars bar(1, bcolor(pink)) bar(2, bcolor(blue)) -catplot- can calculate percents. With your route, you would have to do more work before you called the graph command. -catplot- can give you different colours. You use the option -asyvars-. That's just the same option as -graph bar-, -graph hbar-, etc. It's tacit that -asyvars- gives different colours, but think of it this way: if -graph- knows that it is showing separate variables, it knows that it must show them distinctively. You can control the colours by calling up -bar(,)- as desired. The example doesn't use string variables, but -catplot- will handle them without demur. Nick n.j.cox@durham.ac.uk b. water stata 8.2, i have data set-up like this: injurytype year typeII 2007 minimal 2003 typeII 2003 minimal 2003 typeIII 2005 typeIV 2006 and so on (the range of the injury type is minimal, typeI to typeIV while the year is 2003 - 2007). i am building a graph bar like the one in stata v. 8 [G] page 135 where in place of region 1 in the example, i would have the year and instead of 1 to 9 regional division, i would have the 5 types of injury (i.e. minimal, typeI to typeIV). following my earlier query (around new year's time), i did: gen x=1 gr bar (count) x, over(injurytype) over(year) which produces the one of the graph that i want except for one thing: the injury types, displayed on x-axis suffered from 'overprinting'. i know i can try: gr hbar (count) x, over(injurytype) over(year) ysize(10) which did solve the overprinting but i would be grateful if anyone can tell me: 1. how can i make, instead, each bar to be of a different color and displaying the color legend (e.g. red for minimal etc), so that i can suppress injurytype being shown on the x-axis (but still displaying the year) (someone need to tell me how to achieve this), and 2. how can i, instead of a -count-, produce a proportion or percentage of each type of injury over (year) i.e. on a graph bar, the y-axis would shows either proportion or percentage rather than count. * * 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/

**References**:**st: gr bar for string variable***From:*"b. water" <barleywater@hotmail.com>

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