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Re: st: Re: interpreting marginal effects of fractional logit with continuous independent variables
From
Austin Nichols <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Re: interpreting marginal effects of fractional logit with continuous independent variables
Date
Tue, 19 Nov 2013 10:30:52 -0500
Sandra Virgo <[email protected]> :
Roughly, yes, it seems so. The dy/dx estimate you report is for a
one-unit change in x, so the units of x matter, obviously. If x is a
proportion, you want a 0.01 unit change instead of a one-unit change,
so you divide the numbers in the output by 100, or redefine your x.
The y in that expression is not really "the percentage of conceptions
ending in maternity" though, but intelligent readers will not be
misled by such a statement about the marginal effects.
On Tue, Nov 19, 2013 at 7:10 AM, Sandra Virgo <[email protected]> wrote:
> Does what you say mean for the interpretation of my llti_stand output
> that:
>
> "For every one percentage-point increase in llti_stand
> (age-standardised long-term limiting illness prevalence), the percentage
> of conceptions ending in maternity decreases by 56 hundredths of a
> percentage point (i.e. decreases by just over half a percentage point)?
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