Introduction Ensemble learning is a machine learning paradigm where multiple models (often called “weak learners”) are trained to solve the same problem and combined to get better results. There are three most common types of ensembles: Bagging,Boosting,Stacking. In this post we will start with bagging, and then move on to boosting and stacking in separate … Continue reading Ensemble Modeling – Bagging
A memory problem may arise when a large number of objects are active in RAM during the execution of a program, especially if there are restrictions on the total amount of available memory. Below is an overview of some methods of reducing the size of objects, which can significantly reduce the amount of RAM needed … Continue reading Python consumes a lot of memory or how to reduce the size of objects?
I’ve divided this post into two parts, first, one will be focused on bash and the second one will be on Unix commands and useful one-liners. Table of Contents Part-1 — Shell Scripting Pipelines Bash – Bourne Again Shell Compound Statements Running bash scripts File permissions Part-2 Shell Scripting Shell scripting is a computer programming which … Continue reading Bash for Everyone — Part 1
I frequently find myself storing standard Python set objects in DataFrame columns. This usually happens when I have some kind of a tags or labels column for each observation. It can also be the output of a groupby operation where the end result needs to be a list-like (or set-like) object before it’s aggregated. Using set operations (union, intersection etc.) can come in handy in … Continue reading Introducing Pandas-Sets: Set-oriented Operations in Pandas
To catch a quick idea of a long document, we will always to do a summarization when we read an article or book. In English, the first (or first two) sentence(s) of each article has a very high chance of representing the whole article. Of course, the topic sentence can be the last sentence in … Continue reading Summarize whole paragraph to sentence by Extractive Approach
Lambda function in Python is an anonymous function. They are a short and powerful functional programming technique in Python. Here is a complete tutorial on the concept of Lambda functions. Topics Covered:- 1) What is a Lambda Function? 2) How to write a Lambda function in Python? 3) Why use Lambda functions? 4) How to … Continue reading Lambda Functions in Python