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Steve miller's Blog (48)

American Community Survey data in R

I met up with an old grad school friend a few weeks back. He's an accomplished professor of demography, basically the statistical study of populations, particularly surrounding births, deaths, and fertility. Where he once traveled extensively to conduct…


Added by steve miller on April 4, 2018 at 7:30am — 4 Comments

The R Medicare Factor

Several years ago, I came across a report that led me to a new …


Added by steve miller on March 22, 2018 at 11:00am — No Comments

College Hoops Conference Rankings

It's that time of the year again -- the start of March Madness, 2018. Last Sunday, the selection show announced the 68 teams, and the preliminary round games start tonight. Of the 68 schools, 32 were automatically selected as conference champions, while the remaining 36 received at large bids.

What determines what 36 teams are chosen for at large…


Added by steve miller on March 13, 2018 at 8:30am — No Comments

Tutorial Day at Strata Data San Jose, 2018

Tuesday of Strata Data Conference is my favorite of the four days. The calm before the storm of the keynotes and short presentations of Wednesday-Thursday, Tuesday revolves on half day training sessions that afford reasonably deep dives into technical data science topics. This year my choices were Using R and Python for scalable data science, machine…


Added by steve miller on March 6, 2018 at 3:00pm — No Comments

"Kindof" Big Data in R

Ask for feedback from just about any critic of the R statistical package and you'll hear two consistent responses: 1) R is a difficult language to learn, and 2) R's data size limitation to physical RAM consigns it to toy academic applications. Having worked with R for over 15 years, I probably shared those views to some extent early on, but no longer.

Yes, R's a language where array-oriented processing and functional…


Added by steve miller on March 1, 2018 at 9:00am — No Comments

A Common Data Analysis Pattern with a Simple Solution in R

It seems that much of the data analysis work I've done over the last few months has followed a "script". First, identify data, often government-sponsored and freely-available, that's of keen interest. Next, find the websites that house the data and download the relevant files to my notebook. The downloads might ultimately be one-off or included in the data analysis programs. Finally, load the data into either R or python and have at it with queries, visualizations, and…


Added by steve miller on February 23, 2018 at 6:00am — No Comments

Changes in Job Counts by Education Grouping, 1992-2017

Data from the Bureau of Labor Statistics (BLS) starkly shows how the U.S. job market changed from 1992-2017. During that period, the number of jobs held by those with a HS education or less declined by over 3.5M, while the number for those with some college, a college degree, or advanced degree increased by 39.5M. The following R/ggplot of jobs by month…


Added by steve miller on February 12, 2018 at 5:30pm — No Comments

Jobs, Education, and R

I came across a jaw-dropping article from the Brookings think tank two weeks ago.

The column noted that "household employment data reported by the Bureau of Labor Statistics (BLS)…


Added by steve miller on January 31, 2018 at 3:00pm — No Comments


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