the meps household component leads the pack for examining individual-level medical expenditures by payor and type of service. total expenditures captured by the survey tend to be low, but unbiased across the board and can be adjusted to match the...

the meps household component leads the pack for examining individual-level medical expenditures by payor and type of service. total expenditures captured by the survey tend to be low, but unbiased across the board and can be adjusted to match the...

This blog post by Sean Taylor generated quite a stir. He discussed the signals one sends by using certain software packages and seems to think that R users are more competent. The reactions ranged from amusement to bashing. In defense of hard to learn statistical tools, i.e. #rstats prsm.tc/gyTBRK <- pretty funny 'who uses what I encourage you...

Calibrations of 2013 predictions for 18 equity indices — plus some publicly available predictions. Orientation The distributions are an attempt to see the variability if there were no market-driving news for the whole year. Another way of thinking: mentally moving the distribution to center on a prediction gives a sense of the variability of results … Continue reading...

Since the 0.10.* release series, Rcpp contains a new sugar function clamp which can be used to limit vectors to both a minimum and maximim value. This recent StackOverflow question permitted clamp to shine. We retake some of the answers, including the ...

For the last year I have been developing a package “Lambda4” to improve internal consistency reliability estimation. In the package’s conception my primary concern centered on H.G. Osburn’s maximized lambda4 estimator. Despite a very thorough search I could not find a stats package that could utilized Osburn’s method. I wanted to learn R and so I jumped in and...

For the last year I have been developing a package “Lambda4” to improve internal consistency reliability estimation. In the package’s conception my primary concern centered on H.G. Osburn’s maximized lambda4 estimator. Despite a very thorough search I could not find a stats package that could utilized Osburn’s method. I wanted to learn R and so I jumped in and...

For the introductory statistic student confidence intervals can seem a daunting concept to grasp. Quite simply put it is an interval that we have a certain measure of confidence that the population parameter falls into. The 95% confidence is the most common value chosen in my academic circle. Nevertheless, many others may be viable as well as long as...

http://cran.r-project.org/web/packages/Lambda4/index.html: Our own JackStat (Tyler) published his first package in R.

http://cran.r-project.org/web/packages/Lambda4/index.html: Our own JackStat (Tyler) published his first package in R.

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