Log
The journey of the book so far
Last updated
The journey of the book so far
Last updated
Month of Sep, 2024
Pyspark cheat sheet added
Month of Feb, 2024
Clustering page updated
Questions added in the Clustering page
Month of Oct, 2023
Problems page added in Power BI
Cheatsheets pushed to the end of the contents
Index added in SQL
Temp datasets updated with Table Variable and Temp tables
Performance Tuning added in SQL
Study reference materials added for Python programming questions
New Problems added in Python and SQL
Month of Sep, 2023
Windows Function updated.
A/B test page (WIP) added.
SVR and OLS added in Regression page.
Classification metrics updated with use cases.
Optimizers and Optimization Criterion updated in Algorithm overview page.
Model Building Overview page added.
Naive Bayes added in classification.
Many new SQL and Python problems added.
Confidence Interval added in Central Limit Theorem.
Coding Algorithms from scratch added in Python.
Common hypothesis tests added.
Neural Network section updated
Month of August, 2023
Vector Database added in the LLM section.
Categorical Encoding added in the data section.
Probability Distribution cheat sheet added.
Algorithm overview page updated.
Bias Variance tradeoff updated.
Linear Regression page updated.
LLM Section updated to Generative AI.
Clustering (WIP) section added.
QUALIFY added in Windows functions page.
Python in Excel Page added.
Many Python Questions added.
Transformer page added.
Month of May, 2023
Have enabled GitBook's Lens feature in search, which allow users to ask a question and get answers back from the content of the book itself. This is an experimental feature and supported by OpenAI. Please note this is experimental and can be changed or removed at any moment.
Work on Power BI section started under the Business Intelligence section.
Dark mode and Light mode toggle enabled.
Month of January, 2023
R Basics cheat sheet added
Python Theoretical Question section updated
Mathematical Motivation Page added
Month of November, 2022
Group vs Window added
Git added in the new ML Ops section
Platform migration for the book
Cheat Sheet section added
⚠️ Sign beside pages indicate that work is pending on those
Added questions to Bias/Variance
Python Theoretical section added --> TBA in BOOK
Month of October, 2022
More questions added to the Time Series Section
Bias/Variance Tradeoff added
Ensemble learning section updated in Decision Tree
MAP vs MLE added in Probability Basics
Basic Overview page added in the Algorithm section
Month of September, 2022
As per suggestions by users PDF of the book as been made available as a paid extra. It can be purchased from here
Big O notation section added
Anamoly detection and Time Series section extensively updated
Probability [FACEBOOK] N Dice, [SPOTIFY] MLE of Uniform Distribution,Bernoulli trial generator problem solution updated
Business Scenarios section updated
Month of August, 2022
Behavioral - Management section added
New interview questions added
Month of July, 2022
Data sampling section added under data
Month of June, 2022
We are back post break, keep checking for new content
Machine Learning Framework section added and TensorFlow moved into it
PyCaret added to Machine Learning Framework section
Month of March, 2022
Hyperparameter optimization section completed
Had an extremely busy last few weeks and the next few months are going to be packed too
Story Telling section added
Quick guide to Visualization added
Month of February, 2022
Added problems in Python, SQL, Probability
Excel section updated
Data section has been moved into a new and broader section called Model Building
To keep the table of contents clean collapsible headers used in Model Building section
Hyperparameter optimization section added
Month of January, 2022
Neural Network section added
Added new problems in the Probability section
Added cartoons in a few sections
Outlier section added
Month of December, 2021
NLP section updated
Got our first bug reported by a reader 😍
Month of November, 2021
NLP section updated
Missing values section added
Formatting changes in the Statistics section
Took some break, was obsessively working on this 😌
New section - Tree based approaches, Industry application added
Decided to make this page a little more interesting
Added support for dark theme, 🤯 had to remove it as it was breaking a lot of other stuff. Will wait for official support
Added new problems in Probability, Python, Regression, SQL
Added Temporary Datasets and Time page in SQL covering CTEs
Regression section extensively updated
Month of October, 2021
Major updates to the SQL section
TensorFlow, Excel, Data Sections added
Added new problems in Probability, Python, SQL, Business Case
Cleaned up the formatting issues
Added this change log section
Added Generative VS Discriminative Models section
Completed Hypothesis Testing
