Harish DaryaniBase Rate Neglect — A common fallacyLet’s say there is an outbreak of a certain disease in your town.2 min read·Mar 12, 2023----
Harish DaryaniHow “not to” tell a story from dataWhat if I told you, data shows people who smoke more cigarettes are less likely to get severe Covid.2 min read·Nov 13, 2022----
Harish DaryaniMoving averagesOftentimes we find ourselves looking for trends in data presented to us on a daily basis. Common examples are stock prices, website traffic…3 min read·Aug 21, 2022----
Harish Daryani“Always” start your bar charts at zeroIt’s great to represent data visually with an aim of uncovering insights and communicating effectively from data.2 min read·Mar 18, 2022----
Harish DaryaniPolynomial terms in a regression modelLet’s say you have a dataset containing test scores of students and number of hours they studied a day before the test.3 min read·Jan 2, 2022----
Harish DaryaniinAnalytics VidhyaInteraction effects in machine learningAs an analyst you want to get the most out of your regression model. While you are often limited (or spoilt) by the number of features in…3 min read·Dec 19, 2021----
Harish DaryaniWhat really is an insight ?More data is being collected now than ever before. So much so, that the lines between data analysis and insight frequently blur.3 min read·Nov 21, 2021----
Harish DaryaniFeature scaling in machine learningLet’s say you run into a dataset of house prices in your locality with their corresponding area in square feet. You being a data enthusiast…3 min read·Oct 28, 2021----
Harish DaryaniFrom samples to populationMore often than not, the data we get for analysis is not about the entire population we wish to study — it’s a sample.4 min read·Sep 11, 2021----
Harish DaryaniWhat really is statistical significance ?The term ‘statistical significance’ often comes up in analyzing results from experiments or observational studies.3 min read·Aug 17, 2021----