DevTales

NLTK is a python library which is used to process text data. In Natural Lanuguage Processing(NLP) we deal with human language and before feeding such data into our machine learning model we need to do some processing like removing punctuations, extra spaces etc. NLTK library is very handy and useful... [Read More]

MongoDB is a general purpose, distributed database built for modern application developers and for the cloud era. It is an open-source database and one of the most popular NoSQL database. MongoDB is easy to scale. It is a document database, which means it stores data in JSON-like documents. It supports... [Read More]

Jupyter notebooks are an interactive medium for doing data analysis. It is very popular amongst data science community. For a beginner it may be very simple and easy way to start but it has a lot more to offer. In this blog, we’ll discuss a very powerful interactive computing environment... [Read More]

Many times we face problem of imbalanced classes in the dataset where some classes have majority of observations and rest have only a few observations. Class imbalance can be found in disease diagnosis like Cancer detection, fraud detection or spam filtering. In this article, we’ll see few techniques which can... [Read More]

We all must have heard about Selenium/Web Driver for automation testing. Selenium is focused on cross browser automation. In this article we’ll discuss about another library for automation. Puppeteer is mainly focused on testing for Chromium. It’s a very useful tool for automation, testing and scraping web pages. Puppeteer is... [Read More]