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Python

Word2Vec For Phrases — Learning Embeddings For More Than One Word

22/12/18 by data_admin

Learning Phrases From Unsupervised Text (Collocation Extraction) We can easily create bi-grams with our unsupervised corpus and take it as an input to Word2Vec. For example, the sentence “I walked … Read more

22/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Progress Bars in Python

19/12/18 by data_admin

Just like a watched pot never boils, a watched for loop never ends. When dealing with large datasets, even the simplest operations can take hours. Progress bars can help make … Read more

19/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Distributed TensorFlow using Horovod

17/12/18 by data_admin

Reduce training time for deep neural networks by using many GPUs Marenostrum Supercomputer — Barcelona Supercomputing Center https://bsc.es (This post will be used in my master course SA-MIRI at UPC Barcelona Tech with … Read more

17/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Develop a NLP Model in Python & Deploy It with Flask, Step by Step

16/12/18 by data_admin

Flask API, Document Classification, Spam Filter By far, we have developed many machine learning models, generated numeric predictions on the testing data, and tested the results. And we did everything offline. … Read more

16/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Simple House Price Predictor using ML through TensorFlow in Python

16/12/18 by data_admin

The profession of reality is moving into the 21st century, and as you can imagine home listings are flooding the internet. If you have ever looked at buying a home, … Read more

16/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Introduction to Interactive Time Series Visualizations with Plotly in Python

15/12/18 by data_admin

Introduction to Plotly Plotly is a company that makes visualization tools including a Python API library. (Plotly also makes Dash, a framework for building interactive web-based applications with Python code). For … Read more

15/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Introduction to Web Scraping with BeautifulSoup

14/12/18 by data_admin

Find specific elements in the page The created BeautifulSoup object can now be used to find elements in the HTML. When we inspected the website we saw that every list item … Read more

14/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

The complete guide for topics extraction with LDA (Latent Dirichlet Allocation) in Python

14/12/18 by data_admin

A recurring subject in NLP is to understand large corpus of texts through topic extraction. Whether you analyze users’ online reviews, product descriptions, or text entered in search bars, understanding … Read more

14/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Unpacking (**PCA)

14/12/18 by data_admin

Alright, better to implement PCA to get the image. Let’s start by making 5 *10 matrix, and take steps of the process. Matrix X import numpy as npX = np.random.rand(5,10) … Read more

14/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Preprocessing with sklearn: a complete and comprehensive guide

13/12/18 by data_admin

For aspiring data scientist it might sometimes be difficult to find their way through the forest of preprocessing techniques. Sklearn its preprocessing library forms a solid foundation to guide you … Read more

13/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

How to Predict Severe Traffic Jams with Python and Recurrent Neural Networks?

13/12/18 by data_admin

An Application of Sequence Model to Mine Waze Open Data of Traffic Incidents, using Python and Keras. In this tutorial, I will show you how to use RNN deep learning model … Read more

13/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Vaex: Out of Core Dataframes for Python and Fast Visualization

13/12/18 by data_admin

So… no pandas ?? There are some issues with pandas that the original author Wes McKinney outlines in his insightful blogpost: “Apache Arrow and the “10 Things I Hate About pandas”. … Read more

13/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Music Genre Classification with Python

13/12/18 by data_admin

Objective Companies nowadays use music classification, either to be able to place recommendations to their customers (such as Spotify, Soundcloud) or simply as a product (for example Shazam). Determining music … Read more

13/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Text Summarization on the Books of Harry Potter

12/12/18 by data_admin

Hermione interrupted them. “Aren’t you two ever going to read Hogwarts, A History?” How many times throughout the Harry Potter series does Hermione bug Harry and Ron to read the … Read more

12/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Parsing XML, Named Entity Recognition in One-Shot

11/12/18 by data_admin

Photo credit: Lynda.com Conditional Random Fields, Sequence Prediction, Sequence Labelling Parsing XML is a process that is designed to read XML and create a way for programs to use XML. … Read more

11/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

An introduction to web scraping with Python

11/12/18 by data_admin

Introduction As a data scientist, I often find myself looking for external data sources that could be relevant for my machine learning projects. The problem is that it is uncommon … Read more

11/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Object detection and tracking in PyTorch

10/12/18 by data_admin

Detecting multiple objects in images and tracking them in videos In my previous story, I went over how to train an image classifier in PyTorch, with your own images, and then … Read more

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Word Representation in Natural Language Processing Part II

09/12/18 by data_admin

In the previous part (Part I) of the word representation series, I talked about fixed word representations that make no assumption about semantics (meaning) and similarity of words. In this … Read more

09/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

TensorFlow Filesystem — Access Tensors Differently

09/12/18 by data_admin

Tensorflow is great. Really, I mean it. The problem is it’s great up to a point. Sometimes you want to do very simple things, but tensorflow is giving you a … Read more

09/12/18 Categories Featured, Python ExcerptFavorite

Beating the Fantasy Premier League game with Python and Data Science

09/12/18 by data_admin

Our Moneyball approach to the EPL Fantasy League My friend and I have been playing the Official Fantasy English Premier League game for many years, and despite our firm belief that … Read more

09/12/18 Categories Featured, Python ExcerptFavorite

A short guide to using Docker for your data science environment

08/12/18 by data_admin

WHY One of the most time consuming part of starting your work on a new system/starting a new job or just plain sharing your work is the variation of tools … Read more

08/12/18 Categories Featured, Python ExcerptFavorite

I Can Be Your Heroku, Baby

05/12/18 by data_admin

Deploying a Python app in Heroku! Do you like Data Science? <Shakes head up and down> Do you like Data Science DIY deployment? <Shakes head left and right> Me neither. One … Read more

05/12/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Exploratory Data Analysis (EDA) techniques for kaggle competition beginners

25/11/18 by data_admin

A hands on guide for beginners on EDA and Data Science competitions Exploratory Data Analysis (EDA) is an approach to analysing data sets to summarize their main characteristics, often with … Read more

25/11/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

PyTorch 101 for Dummies like Me

05/11/18 by data_admin

Nov 5, 2018 What is PyTorch? It’s a Python-based package to serve as a replacement for Numpy arrays and to provide a flexible library forDeep Learning Development Platform. As for the … Read more

05/11/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Introduction to Linear Regression in Python

24/10/18 by data_admin

Basic concepts and mathematics There are two kinds of variables in a linear regression model: The input or predictor variable is the variable(s) that help predict the value of the … Read more

24/10/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

The intuition behind Shannon’s Entropy

29/09/18 by data_admin

Now, back to our formula 3.49: The definition of Entropy for a probability distribution (from The Deep Learning Book) I(x) is the information content of X. I(x) itself is a random … Read more

29/09/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Forecasting Exchange Rates Using ARIMA In Python

29/09/18 by data_admin

Sep 29, 2018 Nearly all sectors use time series data to forecast future time points. Forecasting future can assist analysts and management in making better calculated decisions to maximise returns … Read more

29/09/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Doing XGBoost hyper-parameter tuning the smart way — Part 1 of 2

29/08/18 by data_admin

Aug 29, 2018 Picture taken from Pixabay In this post and the next, we will look at one of the trickiest and most critical problems in Machine Learning (ML): Hyper-parameter tuning. … Read more

29/08/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Automatic Image Quality Assessment in Python

28/08/18 by data_admin

Aug 28, 2018 Image quality is a notion that highly depends on observers. Generally, it is linked to the conditions in which it is viewed; therefore, it is a highly subjective … Read more

28/08/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

Google’s AutoML Killer: Auto-Keras Opensource Automated ML

18/08/1818/08/18 by data_admin

Auto-Keras is an open source software library for automated machine learning (AutoML). It is developed by DATA Lab at Texas A&M University and community contributors. The ultimate goal of AutoML … Read more

18/08/1818/08/18 Categories Python ExcerptFavorite

Multiplicative RNN-LSTM for Sequence-based Recommenders

18/08/18 by data_admin

Recommender Systems support the decision making processes of customers with personalized suggestions. They are widely used and influence the daily life of almost everyone in different domains like e-commerce, social … Read more

18/08/18 Categories Python ExcerptFavorite

A Guide to Restricted Boltzmann Machines Using Pytorch

18/08/1818/08/18 by data_admin

A Boltzmann machine defines a probability distribution over binary-valued patterns. What makes Boltzmann machine models different from other deep learning models is that they’re undirected and don’t have an output … Read more

18/08/1818/08/18 Categories Python ExcerptFavorite

PySpark ML and XGBoost full integration tested on the Kaggle Titanic dataset

08/07/18 by data_admin

Jul 8, 2018 In this tutorial we will discuss about integrating PySpark and XGBoost using a standard machine learing pipeline. We will use data from the Titanic: Machine learning from … Read more

08/07/18 Categories Featured, Python Tags Towards Data Science ExcerptFavorite

R vs Python: Image Classification with Keras

18/06/18 by data_admin

Many data professionals are strict on the language to be used for ANN models limiting their dev. environment exclusively to Python. I decided to test performance of Python vs. R … Read more

18/06/18 Categories Featured, Python, R Tags Towards Data Science ExcerptFavorite

Automatic GPUs

22/03/18 by data_admin

A reproducible R / Python approach to getting up and running quickly on GCloud with GPUs in Tensorflow “A high view of a sea of clouds covering a mountain valley … Read more

22/03/18 Categories Featured, Python, R Tags Towards Data Science ExcerptFavorite

Python WebServer With Flask and Raspberry Pi

17/03/18 by data_admin

Let’s create a simple WebServer to control things in your home. There are a lot of ways to do that. For example, on my tutorial: IoT — Controlling a Raspberry Pi Robot … Read more

17/03/18 Categories Featured, Python ExcerptFavorite

AWS EC2 for Beginners

20/12/17 by data_admin

Discover why you should use Amazon Web Services Elastic Compute Cloud (EC2) and how you can set up a basic data science environment on a Windows Virtual Machine (Windows Server). … Read more

20/12/17 Categories AWS, Featured, Python Tags Towards Data Science ExcerptFavorite

Visualising high-dimensional datasets using PCA and t-SNE in Python

29/10/16 by data_admin

Oct 29, 2016 Update: April 29, 2019. Updated some of the code to not use ggplot but instead use seaborn and matplotlib. I also added an example for a 3d-plot. … Read more

29/10/16 Categories Featured, Python Tags Towards Data Science ExcerptFavorite
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