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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, 7 months
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  • Last seen Mar 11 at 18:21

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3 User defined aggregations on data of around 200GB where row order matters Jun 25 '20
2 Threshold to consider new feature as a new finding to a model? Jan 6 '20
2 Can I use unsupervised learning followed by supervised learning? Aug 28 '14
1 Predicting binary target value based on unlabelled features Sep 5 '18
1 Number of features vs. number of samples : if small sample size is sufficient, why take large number of samples? May 8 '17
1 Classification affected by a lot of outliers in features? How do you deal with outliers? May 8 '17
1 Studying social media platforms - key data analysis methods? Aug 28 '14
0 How to classify movement data (time series) in real time Mar 14 '18

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