Publications by free range statistics - R
Do tweeps with more followers follow tweeps with more followers? by @ellis2013nz
Branko Milanovic asked on Twitter: Idea for a paper: “Homogamy” on Twitter. Do people with more followers follow people with more followers? I don’t have time to write a paper but I was sufficiently interested to want to blog about it. The consensus in the replies was “of course they do”, with the claim that Twitter is well known fo...
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Truncated Poisson distributions in R and Stan by @ellis2013nz
Data that’s been only partially observed I’ve been updating my skills in fitting models to truncated data and was pleased to find that, like so much else in statistics, it’s easier than it used to be. First, some definitions: censored data is where some observations are cut off at some maximum or minimum level; those data points are “off...
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Truncated Poisson distributions in R and Stan by @ellis2013nz
Data that’s been only partially observed I’ve been updating my skills in fitting models to truncated data and was pleased to find that, like so much else in statistics, it’s easier than it used to be. First, some definitions: censored data is where some observations are cut off at some maximum or minimum level; those data points are “off...
5291 sym R (1905 sym/4 pcs) 4 img
Deaths per firearm violence event by @ellis2013nz
Caution – this blog post discusses homicide and suicide statistics and could be upsetting. If you feel disturbed or unhappy then here is a list of ways to get some emergency counselling help around the world. A grim research question In my last post I looked at fitting a Poisson distribution to a set of count data that had been truncated so th...
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Deaths per firearm violence event by @ellis2013nz
Caution – this blog post discusses homicide and suicide statistics and could be upsetting. If you feel disturbed or unhappy then here is a list of ways to get some emergency counselling help around the world. A grim research question In my last post I looked at fitting a Poisson distribution to a set of count data that had been truncated so th...
13520 sym R (9342 sym/4 pcs) 12 img
Weighted survey data with Power BI compared to dplyr, SQL or survey by @ellis2013nz
A conundrum for Microsoft Power BI I’ve been familiarising myself with Microsoft Power BI, which features prominently in any current discussion on data analysis and dissemination tools for organisations. It’s a good tool with some nice features. I won’t try to do a full review here, but just ruminate on one aspect – setting it up for no...
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Weighted survey data with Power BI compared to dplyr, SQL or survey by @ellis2013nz
A conundrum for Microsoft Power BI I’ve been familiarising myself with Microsoft Power BI, which features prominently in any current discussion on data analysis and dissemination tools for organisations. It’s a good tool with some nice features. I won’t try to do a full review here, but just ruminate on one aspect – setting it up for no...
10991 sym R (2010 sym/7 pcs)
Survey books, courses and tools by @ellis2013nz
Surveys everywhere! Surveys are everywhere, and thinking about them in different ways has dominated my work so far this year. What’s right and wrong with them, how to improve them, do we need them, can we replace this one or that one with administrative data, why do the media (and nearly everyone else) so misunderstand and misinterpret them…...
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Survey books, courses and tools by @ellis2013nz
Surveys everywhere! Surveys are everywhere, and thinking about them in different ways has dominated my work so far this year. What’s right and wrong with them, how to improve them, do we need them, can we replace this one or that one with administrative data, why do the media (and nearly everyone else) so misunderstand and misinterpret them…...
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Fifteen New Zealand government Shiny web apps by @ellis2013nz
At a glance: I had a brief look around New Zealand government agency websites and found 15 high quality web apps written in the Shiny platform. 13 May 2018 Here’s fifteen nice web applications built with RStudio’s Shiny framework. All of these are owned and maintained by New Zealand government departments and have a main purpose as making p...
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