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From |
Nick Cox <njcoxstata@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: 3D bar plot |

Date |
Wed, 18 Jan 2012 08:51:46 +0000 |

In the original, the reference to "freq" is presumably a cryptic allusion to freq from http://www.epiconcept.fr freq . / Program by Gilles DESVE . / Display nb of missing values and % after each table. / Distribution-Date: 20090222 Nick On Wed, Jan 18, 2012 at 8:03 AM, Maarten Buis <maartenlbuis@gmail.com> wrote: > On Wed, Jan 18, 2012 at 7:33 AM, Ning Li <ning.li@unimelb.edu.au> wrote: >> What is the command for drawing a 3D bar plot? by 3D bar plot it is meant - >> >> Suppose our data set is {(x,y,z)}={(8.3, 2.3, 2), (9.2, 1.8, 4), (7.1, 0.9, 5)} >> For each point in the (x,y) plate, a vertical bar with height that equals the corresponding z value is drawn. ie., in the position (x,y)=(8.3,2.3), a vertical bar of length 2 is presented, .... >> >> When x and y represent, respectively, within-person mean and within-person standard deviation, and z the frequency of the corresponding pattern, this plot should give a graphic summary of the panel data. > > I would look at Nick Cox's -tabplot- (see: -ssc descr tabplot-). It is > not 3D, but I think it does what you want to do. Here is an example: > > *---------- begin example --------------- > webuse union, clear > xtset idcode year > bys id: egen m = mean(union) > bys id : egen sd = sd(union) > bys id (year) : gen byte mark = _n == 1 > > // we need some rounding in this dataset > // to get a readable graph > replace m = round(100*m ,10) > replace sd = round(100*sd,10) > > // the graph > tabplot m sd if mark > *----------- end example ---------------- * * 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: 3D bar plot***From:*Ning Li <ning.li@unimelb.edu.au>

**Re: st: 3D bar plot***From:*Maarten Buis <maartenlbuis@gmail.com>

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