DataAnalysis | Sai's Data Website

Here I blog on all topics related to Big Data and Data Science. Articles could be of types: Executive Summaries, Tools analysis, Tool Comparisons, Architectural Patterns, Introductions to complex topics, and 'How to' or Tutorial types that share code snippets.

Sai Geetha M N

Oct 21, 20214 min read

Steps towards Data Science or Machine Learning Models

Having completed the basics of K-Means clustering in the last 3 weeks, I was tempted to take you through an example problem through code....

Sai Geetha M N

Jul 19, 20217 min read

Feature Selection in Machine Learning

Selecting the right features that contribute to your model is an art and a science. I call it art because much pain can be saved if you...

Sai Geetha M N

Jul 8, 20218 min read

Machine Learning - Rendezvous Architecture

The Rendezvous architecture proposed by Ted Dunning and Ellen Friedman in their book on Machine Learning Logistics was a wonderful...

Sai Geetha M N

Jun 25, 20216 min read

Data Scientists, Data Engineers, ML Engineers And More - Demystified

As the world of Big Data, Machine Learning and Artificial Intelligence is taking off, there is an overlap of roles and responsibilities...

Sai Geetha M N

May 20, 20214 min read

Outliers and their treatment

Outliers in data analysis and data preparation are to be considered in specific ways so that the data that is fed to a machine learning...

Sai Geetha M N

Apr 29, 20218 min read

Linear Regression Through Code - Part 1

#Tutorial In an earlier blog post, I have spoken about "What is Regression?" and the basic linear equation too. This is one of the...

Sai Geetha M N

Apr 28, 20212 min read

Types of Variables - Definition

#Definition There are different characteristics of data that are used for analysis and machine learning. One very fundamental...

Sai Geetha M N

Apr 22, 20219 min read

Data Validation - During Ingestion into Data Lake

Any enterprise that wants to harness the power of data, almost always begins with building a data lake. By definition, a data lake is a...

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Sai Geetha M N

Mar 19, 20214 min read

Hadoop for Analysts - Apache Druid, Apache Kylin and Interactive Query Tools

#ToolComparison #ArchitectureDecision Introduction Traditional Data Warehouses have existed in the industry for quite some time now. They...