So, I just started solving the latest Hackathon on Analytics Vidhya, Women in the loop . Be it a real-life Data Science problem or a Hackathon, one-hot encoding is one of the most important part of ...
Continue readingFeature Engineering in Data Science
TheDataMonk
Grand Master
Machine Learning , Uncategorized
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Have you ever wondered why two different people gets different accuracy while using the same algorithm?We all know that XGBoost can help us get a very good result in our Hackathons, but then also only few people achieve ...
Continue readingCorrelation and Collinearity explained in layman terms
Correlation tells you have two numerical variables relate to each other. It will tell you whether data points that have a higher than average value for one variable will also likely have a higher than average value for ...
Continue readingWhat is the difference between forecasting and prediction?
Forecasting and Prediction are two different things. You always forecast weather, but never predict the weather. Forecasting is nothing but a extrapolation of the past. You have some historic data, and you ...
Continue readingExplain p-value in simple terms
p-value in simple termsIf you are into Data Science, then you must have heard about p-value.I could have started it with a very superficial definition strolling around probability and significance and null hypothesis, etc. But that's already there ...
Continue readingConfusion Matrix in Data Science, meaning and example
What is Confusion Matrix?Confusion Matrix is a performance measuring technique for ML Classification model.Why do we need Confusion Matrix? Is measuring accuracy not enough?Confusion Matrix suggests the actual accuracy of your model. For example. Suppose I want to ...
Continue readingData Science vs Big Data vs Data Analytics vs Business Analyst
TheDataMonk
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Uncategorized
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We often come across few terms which sounds no different but are poles apart. The same goes with Data Science, Big Data,Data Analytics, and Business Analyst. So if you are confused about the role which an employer is ...
Continue readingMachine Learning using SQL – Day 6/100
TheDataMonk
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Machine Learning , Uncategorized
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The below article is the intellectual property of Ashish Kohli. This is one such article which actually powers the ability of SQL. Give it a read guys. Yes, you read that one right! One ...
Continue reading10 Questions, 10 Minutes – 5/100
TheDataMonk
Grand Master
Basic Data Science Concept , Uncategorized
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1. What if you want to toggle case for a Python string? We have the swapcase() method from the str class to do just that. 1. >>> 'AyuShi'.swapcase() ‘aYUsHI’
Continue reading10 Questions, 10 Minutes – 4/100
TheDataMonk
Grand Master
Basic Data Science Concept , Uncategorized
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1.How would you convert a string into an int in Python? If a string contains only numerical characters, you can convert it into an integer using the int() function. >>> int('227') ...
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