# st: RE: RE: n-1 variable continuously

 From "Nick Cox" <[email protected]> To <[email protected]> Subject st: RE: RE: n-1 variable continuously Date Sun, 28 Jan 2007 17:25:49 -0000

```Despite what you say, 01111111 is also 7 years
without stopping.

Nick
[email protected]

Nick Cox

> The length of study is 8 years. If the
> period of work was 7 years without a
> break, then there are only two possibilities:
> the person did not work in the first year
> or the person did not work in the last year.
>
> by pid : egen emplo = count(work == 1)
> by pid : gen work7 = count == 7 & (work[1] != 1 | work[8] != 1)

[email protected]

> > I have a question about how calculate the number of years
> > work continuously.
> > I have a panel of 8 year and I want calculated the person how
> > has work
> > for 7 years no stop. (1111110)
> > I used this procedure:
> > by pid : egen emplo=count(work==1)
> > here work is=1 if work. after I did the tab emplo and I have
> > the table
> > for 8 years.
> > but there aredifferente sequence how 0111111, or 1011111 ecc and I
> > want only 1111110.
> >
> > for ex: 1011111 but is incorrect
> > pid   emplo wave  work
> > 1         7  1    1
> > 1         7   3    1
> > 1         7    4   1

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```