Andy PengStatistics Interview QuestionsThere are many different types of statistics interview questions that one may see during an interview. Below is an example of a statistics…Mar 13, 2021Mar 13, 2021
Andy PengCommon Table Expression (CTE)While working on a practice interview question, we came upon a problem that requires CTE. But what is CTE? CTE, also known as Common Table…Feb 17, 2021Feb 17, 2021
Andy PengA/B Testing, What is it?What is A/B testing? A/B testing is the process of comparing two or more variants to see which one performs the best. Examples where A/B…Feb 2, 2021Feb 2, 2021
Andy PengSQL — RANK FunctionWhat is a RANK function? While practicing technical interview questions from Data Interview Q’s, I came upon SQL questions involving rank…Jan 25, 2021Jan 25, 2021
Andy PengSQL Interview Question AttemptWhat are some technical interview questions that applicants will see in an interview? Below is an example of a SQL technical interview…Dec 28, 2020Dec 28, 2020
Andy PengBeijing Air QualityHow is the air quality in Beijing? We hear stories about the air quality, but is the air quality in Beijing really that bad? Through my…Nov 2, 2020Nov 2, 2020
Andy PengPreprocessing Images with Data SplitHow to perform a train test split on images? While working on Flatiron School Module 4 Project — Image Classification, I came upon this…Sep 8, 2020Sep 8, 2020
Andy PengPredicting Heart Disease?Can you predict if a patient has heart disease? Let’s give it a try. I will be using the data set from Kaggle for the extent of my Mod 3…Jul 12, 2020Jul 12, 2020
Andy PenginAnalytics VidhyaData Visualizations for Zip CodesHow do you make visualizations for features that involve location or zip codes? What happen if you want to display average house prices of…May 10, 2020May 10, 2020
Andy PengFirst Attempt at Cleaning Categorical DataHow do you deal with categorical data? What should you do to be able to examine categorical data? While working on the Movie Project for…Mar 16, 2020Mar 16, 2020
