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From |
Katia Bobulova <katia.bobulova@googlemail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Table to count how many times an event occurs with another |

Date |
Thu, 4 Aug 2011 16:39:29 +0100 |

No unfortunately it is not what I want. I am just trying to have a table showing how many times a dummy is released contemporaneously to each other dummy for each interval time through my sample. Thank you very much anyway. Katia 2011/8/4 MacLennan, Graeme <g.maclennan@abdn.ac.uk>: > If you have only four dummies then: > > *** example begin*** > gen d1d2d3d4 = D1*1000 + D2*100 + D3*10 + D4 > tab d1d2d3d4 > *** example end*** > > Might do what you want? > Graeme > > ******** > This is an example of my databse: > > Date Time D1 D2 D3 D4 > 01/01/2008 8:00 1 0 0 1 > 01/01/2008 9:00 0 0 0 0 > 01/01/2008 10:00 0 1 1 0 > ..... ....... . . . . > > For every day I have something similar to the above example with dummy variables. > In the fist row (8:30) I have that two dummies happen at the same time and also in the last row (10:00). > I want to construct a table, in which I have the number of times ( for each interval throughout my whole sample) I have that events D1 and D4 happen together and D2 and D3 happen together and so on for all possible combinations. > > Thanks, > Katia > > > > > > 2011/8/4 Anders Alexandersson <andersalex@gmail.com>: >> Please provide the original example data of the 4 events and 10 >> observations from which you want to create the table. >> The reason I ask is that I do not understand your provided 4*4 table. >> >> Anders Alexandersson >> andersalex@gmail.com >> >> On Thu, Aug 4, 2011 at 10:08 AM, Katia Bobulova >> <katia.bobulova@googlemail.com> wrote: >>> Because it doesn't do what I want and anyway it is not possible to >>> use tabulate with more than two variables. >>> >>> Katia >>> >>> 2011/8/4 Nick Cox <njcoxstata@gmail.com>: >>>> Why not -tabulate-? >>>> >>>> Nick >>>> >>>> On 4 Aug 2011, at 10:52, Katia Bobulova >>>> <katia.bobulova@googlemail.com> >>>> wrote: >>>> >>>>> Dear All, >>>>> >>>>> I have many events in my dataset and I want to count how many times >>>>> one event happens with another one. >>>>> >>>>> Assuming fro example 4 events and ten observations, I would like to >>>>> have a table like this: >>>>> >>>>> x1 x2 x3 x4 >>>>> x1 10 2 1 3 >>>>> x2 1 10 0 0 >>>>> x3 0 3 10 1 >>>>> x4 2 5 0 10 >>>>> >>>>> Could you please help me? >> >> * >> * 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/ >> > > * > * 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/ > > > The University of Aberdeen is a charity registered in Scotland, No SC013683. > > * > * 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/ > * * 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/

**Follow-Ups**:**Re: st: Table to count how many times an event occurs with another***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: Table to count how many times an event occurs with another***From:*Billy Schwartz <wkschwartz@gmail.com>

**References**:**st: Table to count how many times an event occurs with another***From:*Katia Bobulova <katia.bobulova@googlemail.com>

**Re: st: Table to count how many times an event occurs with another***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: Table to count how many times an event occurs with another***From:*Katia Bobulova <katia.bobulova@googlemail.com>

**Re: st: Table to count how many times an event occurs with another***From:*Anders Alexandersson <andersalex@gmail.com>

**Re: st: Table to count how many times an event occurs with another***From:*Katia Bobulova <katia.bobulova@googlemail.com>

**RE: st: Table to count how many times an event occurs with another***From:*"MacLennan, Graeme" <g.maclennan@abdn.ac.uk>

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