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Data Scientist Interview Questions - Financial Services Ram - Jul 21, 2021

In this blog, we list a series of questions typically asked during interview process for Sr Data Scientist role in Financial Services.

Topic Modeling - Steps to Insights Ram - Jul 05, 2021

Topic MOdeling

Wonderful Word Cloud in Python Ram - Jun 19, 2021

Word Cloud is one of the visualization techniques to show relative importance of key words. Based on frequency of occurrences, it finds the importance for each word. From the large corpus of textual information, we want find the key words and topics, the word cloud can be really good starting …

Statistical Tests using Python Ram - Apr 04, 2021

In this blog, we will discuss T-Test (two-sample), ANOVA, Chi-Square, and Correlation Analysis in Python

Customer Attrition Model using Decision Tree Ram - Apr 03, 2021

It is costly to acquire a new customer, hence banks and other organizations work to keep their customer engaged (or reduce the customer attrition) Customer Attrition can be silent (when a customer stops using a product) and explicit when a customer closes a product. Typically, there is a journey or …

Bivariate Analysis: Contingency Analysis and Chi Square Ram - Apr 02, 2021

For finding an association between two nominal variables, a contingency analysis table, and chi-square test is employed. The contingency table is created by listing the values of one variable as a row and the other as a column. The Pearson chi-square test or "goodness-of-fit” is used to check if the …

Retail Analytics - eCommerce Data EDA and Simple Segmentation ram_admin - Feb 26, 2021

In this blog, we will learn about Exploratory Data Analysis (EDA) on eCommerce Data and also develop a simple segmentation. Based on order count, amount and recency are used to create the features and then created rule-based segmentations. In the subsequent blogs, we may use the same data for machine …

Setting up MYSQL instance on GCP and Learning SQL Ram - Jan 28, 2021

In this blog, we will set up MYSQL instance on Google Cloud (GCP) and connect MySQL Workbench to GCP MYSQL Instance. In the part two, we will design a simple database schema for a retail scenario and create the list of tables. Also, we will load CSV files to the …

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