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The Most Complete Guide to pySpark DataFrames
Big Data Data Science Awesome Guides The Most Complete Guide to pySpark DataFrames
By Rahul Agarwal 24 June 2020

Big Data has become synonymous with Data engineering. But the line between Data Engineering and Data scientists is blurring day by day.

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A Newspaper for COVID-19 — The CoronaTimes
Awesome Guides Data Science A Newspaper for COVID-19 — The CoronaTimes
By Rahul Agarwal 29 March 2020

It seems that the way that I consume information has changed a lot.

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5 Ways to add a new column in a PySpark Dataframe
Big Data Data Science Awesome Guides 5 Ways to add a new column in a PySpark Dataframe
By Rahul Agarwal 24 February 2020

Too much data is getting generated day by day. Although sometimes we can manage our big data using tools like Rapids or Parallelization , Spark is an excellent tool to have in your repertoire if you are working with Terabytes of data.

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Become a Data Scientist in 2023 with these 10 resources
Awesome Guides Learning Resources Become a Data Scientist in 2023 with these 10 resources
By Rahul Agarwal 21 February 2020

I am a Mechanical engineer by education. And I started my career with a core job in the steel industry.

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Confidence Intervals Explained Simply for Data Scientists
Data Science Awesome Guides Confidence Intervals Explained Simply for Data Scientists
By Rahul Agarwal 21 February 2020

Recently, I got asked about how to explain confidence intervals in simple terms to a layperson.

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The 5 most useful Techniques to Handle Imbalanced datasets
Data Science Awesome Guides The 5 most useful Techniques to Handle Imbalanced datasets
By Rahul Agarwal 28 January 2020

Have you ever faced an issue where you have such a small sample for the positive class in your dataset that the model is unable to learn?

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How to write Web apps using simple Python for Data Scientists?
Awesome Guides Data Science How to write Web apps using simple Python for Data Scientists?
By Rahul Agarwal 07 December 2019

A Machine Learning project is never really complete if we don’t have a good way to showcase it.

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The 5 Classification Evaluation metrics every Data Scientist must know
Awesome Guides Data Science The 5 Classification Evaluation metrics every Data Scientist must know
By Rahul Agarwal 07 November 2019

What do we want to optimize for? Most of the businesses fail to answer this simple question.

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6 Important Steps to build a Machine Learning System
Data Science 6 Important Steps to build a Machine Learning System
By Rahul Agarwal 26 September 2019

Creating a great machine learning system is an art. There are a lot of things to consider while building a great machine learning system.

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The Ultimate Guide to using the Python regex module
Data Science Awesome Guides The Ultimate Guide to using the Python regex module
By Rahul Agarwal 01 September 2019

One of the main tasks while working with text data is to create a lot of text-based features.

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About Me

I’m a data scientist consultant and big data engineer based in London, where I am currently working with Facebook .

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