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st: RE: updated package -binscatter- in SSC


From   "Hoffman, George" <ghoffman@mcw.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: updated package -binscatter- in SSC
Date   Mon, 14 Oct 2013 16:13:20 +0000

Michael -
Thank you for this great binscatter.ado. In the updated version when run on Stata/SE 13, I have noticed that the regression lines are only calculated from the first 20 bins, if option nquantile(n>20) is used. Is this the desired behavior?
Thank you in advance.
George Hoffman


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Michael Stepner
Sent: Sunday, October 13, 2013 12:46 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: updated package -binscatter- in SSC

-binscatter- has been updated in the SSC, with thanks to Kit Baum.

binscatter is a Stata routine which draws binned scatterplots, providing a non-parametric method for visualizing the relationship between two variables.  It groups an x-axis variable into equal-sized bins, computes the mean of the x-axis and y-axis variables within each bin, then creates a scatterplot of these data points.  The result is a non-parametric visualization of the conditional expectation function.

This update (version 7.00) corrects issues reported to me by e-mail, with thanks to Art Burke, Laszlo Sandor and Raj Chetty for reporting them.  It also runs faster than previous versions, and has added documentation on how binscatter handles by-variables.

When given a by(variable), -binscatter- plots separate series for each by-value, but there are 2 important steps in which it performs computations that do not treat the by-values separately.  These are now described in detail in the help file, along with suggested procedures for users who wish to obtain an alternative behaviour.

Changelog from version 6.02:
- version requirement increased to Stata 12.1
- refusal to accept weights fixed. -binscatter- supports fweights and aweights.
- crash with string by-variable fixed.
- correctly plots conditional x-means when combined with by().
previous versions incorrectly plotted the unconditional x-mean against the conditional y-mean.
- bundled -fastxtile- updated to 1.21 (corrects loss of numerical precision)
- added documentation on by-variable procedures
- runs faster than earlier versions
- can be run quietly

If you've already installed binscatter, you can update it by running -adoupdate-.  To install it for the first time, run -ssc install binscatter-.

Best,
Michael
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