Hello, folks! I’m pleased to report that Nick and I have turned in the manuscript for the second edition of SAS and R: Data Management, Statistical Analysis, and Graphics. It should be available this summer. New material includes some of our more po…
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Example 8.34: lack of robustness of t test with small n
Tim Hesterberg has effectively argued for a larger role for resampling based inference in introductory statistics courses (and statistical practice more generally). While the Central Limit Theorem is a glorious result, and the Student t-test remarkabl…
SAS INTNX function ( add days, months, years, etc )
The INTNX function increments dates, times, or datetimes by specific or custom intervals. Here is the basic syntax for INTNX: INTNX(interval[multiple.shift-index], start, increment[, alignment]) The interval can be a set value like – DAY, WEEK, DTWEEK, YEAR, etc. You can also specify a custom interval. We will post more on that later. The multiple is […]