Robert WatkinsBootstrap Aggregating (Bagging) and Random ForestsTo understand Bagging, we need to understand bootstrapping.Jan 21, 2019Jan 21, 2019
Robert WatkinsinTowards Data SciencePredicting Moscow Home PricesRussia’s largest bank, Sberbank, emphasized the need for accurate predictions for house prices so investors, homebuyers, and developers can…May 25, 20171May 25, 20171
Robert WatkinsinTowards Data ScienceModel Comparison on the Titanic Data SetI’ve just scratched the service of data science in my 12 week bootcamp and one my favorite exercises was looking at model comparison. To…May 23, 2017May 23, 2017
Robert WatkinsMachine Learning PapersIn such a novel field where new models are emerging and buzzwords are infatuating those in the business and tech communities alike, it may…May 23, 2017May 23, 2017
Robert WatkinsWashington DC DatasetsThere is a plethora of data available on a variety of topics related to the District of Columbia and I’m very lucky to live in a city with…May 22, 2017May 22, 2017
Robert WatkinsKaggle Completions and CapstonesCurrently there is a Kaggle Data Science Competition entitled ‘Sberbank Russian Housing Market.” The competition asks data scientists to…May 1, 2017May 1, 2017
Robert WatkinsGauss-Markov Theorem and Principal Component Analysis Part IEliminiationem vulgarem from Latin means common elimination. Essentially Gaussian Elimination is an algorithm that helps in the process of…Apr 12, 2017Apr 12, 2017
Robert WatkinsTree Based Methods: Decision TreesIn a broad sense, tree based methods involve stratification or segmentation of predictions into simplified areas or regions. They’re…Apr 10, 2017Apr 10, 2017
Robert WatkinsinTowards Data ScienceThe Data Science ProcessFor my most recent project in General Assembly’s Data Science Immersive course, I ran into quite a few hurdles. While I have covered a ton…Apr 3, 2017Apr 3, 2017
Robert WatkinsEvaluation Metrics, Train/Test Split and Advertisement DataLast week, I was looking at the differences in evaluation metrics and how they can be interpreted. In my data science immersion, we were…Mar 27, 2017Mar 27, 2017