Visit Quantifiers for data analytics articles. Zepto started as Kiranacart in September 2020 by partnering with Kirana retailers to supply groceries in 45 minutes or less. Within a few months of its launch, it has gained popularity due to its guaranteed 10 minutes delivery policy. In only 11 months it…

Visit Quantifiers for the first part of the article. Problem Statement: How would you design dynamic pricing for a ride-sharing application. What factors will you consider while analyzing the problem? Priyanka: There were some clarifying questions that I would like to ask to understand the problem in a better way. …

Visit Quantifiers for the complete article. Case Study: This is an open-ended case study asked around the reliability of ride-hailing service having decreased in a particular area. I had to suggest the data variables I will consider analyzing to solve the problem Interviewer: The reliability of Ola cars has decreased…

Follow Quantifiers for Finance/Analytics Articles What is feature selection? In machine learning, Feature Selection refers to the process of selecting the features which contribute most to the output or the dependent variable. Feature selection basically helps to reduce the number of features from the dataset and helps in improving the performance of the model…

Monty Hall problem is a probability puzzle based on an old American show Let’s Make a Deal. The problem is named after the show’s host. Suppose you’re on the show now, and you’re given the choice of 3 doors. Behind one door is a car; behind the other two, goats…

Question: There are 25 horses, each of which runs at a constant speed that is different from the other horses. Since the track only has 5 lanes, each race can have at most 5 horses. …

Follow Quantifiers for Finance/Analytics Articles Top Interview Puzzles with Solution — These puzzles have been asked in Quant Finance Interviews. 1. Determine Weight of Counterfeit coins [Asked in GS Interview] Cookie marks 9 grams ball as - 1, 10 grams as 0 and 11 grams as +1 and bags as Bag1, Bag2..quantifiers101.blogspot.com 2. Brain Teasers | Calendar Cube Cookie has two custom-made dice(Dice A and Dice B). Instead of numbers 1 - 6, she can place single-digit numbers on…quantifiers101.blogspot.com

Follow Quantifiers for Finance/Analytics Articles What is AutoML? Automated machine learning (AutoML) is a method through which we can train high-quality machine learning models even without having expertise in machine learning. Why do we need AutoML? Finding the appropriate machine learning model can be difficult. It can get even more complex when there is a specific business scenario. …

Follow Quantifiers for Finance/Analytics Articles We expect our model to perform the same as it does with training data. However if the distribution of production data is different from that of the training data, this may lead to Model Drift. Model drift refers to the decay of the model’s predictive…