## Bar Charts – Learning Streamlit with Bar ChartsĀ

Introduction to Streamlit Bar Charts Do you want a quick and easy to create and share your data visualizations? If so, then Streamlit can be a great option! This article is an introduction to Streamlit via its Bar Charts. This tutorial is going to help you learn Streamlit by walking you through incremental steps. It … Read more

## np.argsort() — A Simpe Illustrated Guide

In Python, the numpy.argsort() function returns the indices that would sort an array in ascending order.  Here is the argument table of the numpy.argsort() function. If it sounds great to you, please continue reading, and you will fully understand the numpy.argsort() function through Python code snippets and vivid visualization. This tutorial is about numpy.argsort() function.  … Read more

## np.gradient() — A Simple Illustrated Guide

In Python, the numpy.gradient() function approximates the gradient of an N-dimensional array. It uses the second-order accurate central differences in the interior points and either first or second-order accurate one-sided differences at the boundaries for gradient approximation. The returned gradient hence has the same shape as the input array.  Here is the argument table of … Read more

## How to Get the Standard Deviation of a Python List?

This article shows you how to calculate the standard deviation of a given list of numerical values in Python. Definition and Problem Formulation The standard deviation is defined as the square root of the variance. In case you’ve attended your last statistics course a few years ago, let’s quickly recap the definition of variance: variance … Read more

## np.diff — A Simple Illustrated Guide

In Python, the numpy.diff() function calculates the n-th discrete difference between adjacent values in an array along with a given axis. For higher-order differences calculation, numpy.diff() runs recursively to the output of the previous execution. Here is the argument table of numpy.diff(): If it sounds great to you, please continue reading, and you will fully … Read more

## How to Create Word Clouds Using Python?

You may have already learned how to analyze quantitative data using graphs such as bar charts and histograms. But do you know how to study textual data? One way to analyze textual information is by using a word cloud: This word cloud was generated by the following code discussed in the remaining article: In the … Read more

## How to Use Pandas Rolling – A Simple Illustrated Guide

This article will demonstrate how to use a pandas dataframe method called rolling(). What does the pandas.DataFrame.rolling() method do? In short, it performs rolling windows calculations. It is often used when working with time-series data or signal processing. I will shortly dive into a few practical examples to clarify what this means in practice. The … Read more

## How to Apply a Function to Series Elements

Problem Formulation and Solution Overview As a Python Coder, situations arise where you will need to apply a function against elements of a Series. To make it more fun, we have the following running scenario: Rivers Clothing does business with six (6) different countries. The Tax Rates for the associated countries have increased by 2%. … Read more

## TensorFlow Developer – Income and Opportunity

Related Article: Keras Developer — Income and Opportunity PyTorch Developer — Income and Opportunity Before we learn about the money, let’s get this question out of the way: What Is TensorFlow? Let’s have a look at the definition from the official TensorFlow website: “An end-to-end open source machine learning platform. The core open source library … Read more

## Apache Spark Developer – Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is Apache Spark? Let’s have a look at the definition from the official Apache Spark website: “Apache Sparkā¢ is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters. Apache Sparkā¢ is built … Read more

## Pandas Developer – Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is Pandas? Let’s have a look at the definition from the official Pandas website: “pandas is a fast, powerful, flexible and easy to use open source data analysis and manipulation tool, built on top of the Python programming language.” š” … Read more

## NumPy Developer – Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is NumPy? Let’s have a look at the definition from the official NumPy website: “Nearly every scientist working in Python draws on the power of NumPy. NumPy brings the computational power of languages like C and Fortran to Python, a … Read more