• This repo contains a curated list of Python tutorials for Data Science, NLP and Machine Learning.

• Curated list of R tutorials for Data Science, NLP and Machine Learning.

• Comprehensive topic-wise list of Machine Learning and Deep Learning tutorials, codes, articles and other resources.

##The Python Language

• Dive Into Python
• Learn Python Wiki on Reddit
• Highest Voted Python Questions
• Python Basic Concepts
• Quick Reference to Python
• The Elements of Python Style
• What does the yield keyword do in Python?
• Parsing values from a JSON file in Python
• Python Quora FAQs
• time-complexity of various operations - list/dict - in current CPython
• The Guide to Learning Python for Data Science
• Scripting in Python
  • Python Scripting Tutorial
  • Scripting with Python
  • Can I use Python as a bash replacement?

##Machine Learning with Python

• Python Machine Learning Book
• Table of Contents and Code Notebooks
• Machine Learning with scikit learn
• Machine Learning Algorithms Cheatsheet
• How to compute precision, recall, accuracy and f1-score for the multiclass case with scikit learn?
• One Hot Encoding for Machine learning in Python

##Scikit Learn

• scikit learn on Wikipedia
• Introduction to machine learning with scikit-learn, Videos!
• A Gentle Introduction to Scikit-Learn: A Python Machine Learning Library
• PyData Seattle 2015 Scikit-learn Tutorial, sklearn_scipy2013
• SKLEARN BENCHMARKS: A centralized repository to report scikit-learn model performance across a variety of parameter settings and data sets.
• How to get most informative features for scikit-learn classifiers?
• Code example to predict prices of Airbnb vacation rentals, using scikit-learn on Spark
• Machine Learning with scikit learn tutorial
• Parallel and Large Scale Machine Learning with scikit-learn, Meetup
• Saving classifier to disk in scikit-learn

##Linear Regression in Python

• Linear Regression in Python, Blog Post
• Linear Regression using Scikit Learn
• A friendly introduction to linear regression (using Python)
• Linear Regression Example in Python
• Regression analysis using Python StatsModels package
• Run an OLS regression with Pandas Data Frame

##Logistic Regression in Python

• Logistic Regression with scikit learn
• Implementing the softmax function in Python
• What is the inverse of regularization strength in Logistic Regression? How should it affect my code?
• The Yhat Blog: Logistic Regression in Python
• Example of logistic regression in Python using scikit-learn
• TUTORIAL ON LOGISTIC REGRESSION AND OPTIMIZATION IN PYTHON
• Using Logistic Regression in Python for Data Science

##k Nearest Neighbours in Python

• A good tutorial on implementing K Nearest Neighbors using scikit learn
• Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
• Tutorial To Implement k-Nearest Neighbors in Python From Scratch
• Implementing your own k-nearest neighbour algorithm using Python
• knn Python implementation on StackOverflow
• kNN with big sparse matrices in Python
• Sklearn kNN usage with a user defined metric

##Neural Networks in Python

• Implementing a Neural Network from scratch in Python, Code
• A Neural Network in 11 lines of Python
• Speeding up your Neural Network with Theano and the gpu, Code
• What is the best neural network library for Python?
• Recurrent Neural Net Tutorial in Python Part 1, Part 2, Code
• PyBrain: modular Machine Learning Library for Python

##Decision Trees in Python

• How to extract the decision rules from scikit-learn decision-tree?
• How do I find which attributes my tree splits on, when using scikit-learn?
• Quora: What is a good Python library for decision trees?, StackOverflow
• Building Decision Trees in Python
• Pure Python Decision Trees
• Building a decision tree from scratch in Python - a beginner's tutorial
• Using Python to Build and Use a Simple Decision Tree Classifier
• Decision trees in python with scikit-learn and pandas
• Code for simple decision tree in Python

##Random Forest with Python

• Getting Started with Random Forests: Titanic Competition on Kaggle, Python sample code
• RandomForestClassifier vs ExtraTreesClassifier in scikit learn
• Powerful Guide to learn Random Forest
• How are Feature Importances in RandomForestClassifier determined?
• Random forest interpretation with scikit-learn
• Random Forests in Python Tutorial
• Unbalanced classification using RandomForestClassifier in sklearn
• Random Forest with categorical features in sklearn
• How to output RandomForest Classifier from python?

##Support Vector Machine in Python

• Fastest SVM implementation usable in Python
• An example using python bindings for SVM library, LIBSVM
• What is the best SVM library usable from Python?
• How does sklearn.svm.svc's function predict_proba() work internally?
• Support vector machine in Python using libsvm example of features
• Linear SVC Machine learning SVM example with Python
• Understanding Support Vector Machine algorithm from examples (along with code)

##Data Science with Python

• awesome-python
• Python for Data Science: Basic Concepts
• Pycon India 2015 Notes
• 5 important Python Data Science advancements of 2015
• Data Exploration with Numpy cheat sheet
• Querying Craiglist with Python
• An introduction to Numpy and Scipy
• Create NBA Shot Charts
• PythoR- Python meets R
• How do I learn data analysis with Python?
• What are some interesting things to do with Python?
• Which is better for data analysis: R or Python?
• Web scraping in Python

##Pandas Library in Python

• Intro to pandas data structures
• 10 minutes to Pandas
• Timeseries analysis using Pandas
• “Large data” work flows using pandas
• Quick Operations on a Pandas DataFrame
  • Renaming Columns in Pandas
  • Deleting Columns from pandas DataFrame
  • Adding new Column to existing DataFrame
  • Add one Row in a pandas.DataFrame
  • Changing the order of DataFrame Columns
  • Changing data type of Columns
  • Getting a list of the column headers from a DataFrame
  • Converting list of dictionaries to Dataframe
  • Getting row count of pandas DataFrame
  • Most efficient way to loop through DataFrames
  • Deleting DataFrame row based on column value
  • Dropping a list of rows from Pandas DataFrame

##Text Mining in Python

• NLP with Python ORiley Book, Python 3
• Text Analytics : Intro and Tokenization
• NLTK BOOK
• Elegant N-gram Generation in Python
• Computing N Grams using Python
• N-grams: Explanation + 2 applications
• NLP Tutorial with Python

##Sentiment Analysis with Python

• Twitter-Sentiment-Analysis
• Basic Sentiment Analysis with Python
• What is the best way to do Sentiment Analysis with Python?
• How to Calculate Twitter Sentiment Using AlchemyAPI with Python
• Second Try: Sentiment Analysis in Python
• Sentiment Analysis with Python NLTK Text Classification
• Codes and Explanation
  • Sentiment Analysis with bag-of-words
  • Sentiment Analysis with Naive Bayes

##Pickle: convert a python object into a character stream

• Python serialization - Why pickle?
• Serializing Python Objects, Binary Files
• What is Pickle in python ?
• How to cPickle dump and load separate dictionaries to the same file?
• Understanding Pickling in Python

##Regex Related

• RegExr
• Regex101
• Pythex
• How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
• Advanced Filters: Excel’s Amazing Alternative To Regex

##Shell Scripting

• Calling an external command in Python
• Running shell command from Python and capturing the output
• Can I use Python as a bash replacement?
• Python Scripts as a Replacement for Bash Utility Scripts
• How to Write a Shell Script using Bash Shell in Ubuntu
• Red Hat Magazine | Python for Bash scripters: A well-kept secret
• Embed bash in python
• Bash2py: A Bash to Python Translator
• Beginners/BashScripting
• The Beginner’s Guide to Shell Scripting: The Basics
• Linux Shell Scripting Tutorial v1.05r3 A Beginner's handbook