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Placidia

I am a data scientist living in Saint John, Canada, with over 20 years' experience. I have yet to see a data set I did not like. My analysis stack involves R, Rstudio, Spark-Scala and the Linux command line.

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  • Saint John, NB, Canada
  • CathDalzell
  • Member for 6 years, 4 months
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Top Posts (273) All Questions Answers | Votes Newest

83 How scared should we be about convergence warnings in lme4 Aug 7 '14
33 Probability of a single real-life future event: What does it mean when they say that “Hillary has a 75% chance of winning”? Jul 24 '16
30 What does the anova() command do with a lmer model object? Dec 18 '15
28 Best factor extraction methods in factor analysis Feb 24 '13
21 CHAID vs CRT (or CART) Jun 8 '13
17 The Differences between Randomized Logistic Regression and Plain-Vanilla Logistic Regression Jan 2 '15
15 In a multi-level model, what are the practical implications of estimating versus not-estimating random effect correlation parameters? Jun 19 '14
14 Why squared residuals instead of absolute residuals in OLS estimation? Dec 16 '12
13 What is the VC dimension of a decision tree? Aug 26 '16
13 The difference between varimax and oblimin rotations in factor analysis Aug 24 '14
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