Richard John Smith

6 Questions 14 Answers 0 Followers

Questions related from Richard John Smith

What is the best spatio-temporal disease transmission model for covid-19?

Obviously, the world is watching covid-19 transmission very carefully. Elected officials and the press are discussing what "the models" predict. As far as I can tell, they are talking about the...

06 April 2020 4,452 7 View

Pooled standard errors of median household values in US Census tracts?

A colleague of mine did a neighborhood survey of a set of US Census tracts. One of the variables he asked is household income. He wants to know if the median income in his sample is significantly...

11 February 2020 8,465 0 View

How to calculate conditional treatment effects with a treatment covariate interaction in Stata 14 with complex survey data?

From the teffects documentation in Stata 14, I see that the margins command may be used to calculate the conditional ATE or ATET for a subpopulation for etpoisson and etregress. Both etpoisson and...

28 June 2016 8,374 2 View

Has anyone found a way to use rbounds and mhbounds in Stata with teffects?

Has anyone found a way to use rbounds and mhbounds in Stata with teffects? In particular, with nearest neighbor matching. What would one use for the weight and support variable? Is there a...

07 April 2016 8,696 1 View

What's the best package in R for calculating the distance between two polygons? Should I convert the polygons to points first?

Specifically, if I have the US Census place layer and I have selected a set of places, I need the distance to the nearest selected place for all places.

17 February 2016 8,699 4 View

What are the best current review articles for measuring urban social sustainability?

There is a vast literature on neighborhood and community indicators. Some focus more on economic well-being, others social well-being, health, or environmental sustainability. Researchers tend to...

17 February 2016 8,271 6 View