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st: RE: Graphs, pull out random values at peak interval
In what sense would these days be randomly selected?
As 25 from some larger number? As 25 starting from
some randomly selected date? Or what?
> I have plotted production for 7 different groups over a time period of
> around 100 days. There were some days without production,
> these days varied
> between the groups. Production began and ended at different
> days in each of
> the groups. I want to compare 25 random days at the middle of
> the production
> period between and within groups (1factor anova). But how can
> I pull out 25
> random days in the middle using STATA?
> I have another comparison where I am looking at the max size
> of the product
> that were measured each day. The max size peaks over a period
> of around 7
> days. The peaks occurs at different times between the groups.
> How can I
> compare the sizes within and between the groups during just the peak?
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