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Introduction A cartesian plane is a two-dimensional plane which is part of a coordinate system. The concept of a cartesian plane is mostly used in Euclidean geometry & algebra. In a two-dimensional plane system, any point can be specified by x-coordinate y-coordinate. Axes on the cartesian plane divided it into 4 equal & infinite parts called quadrants. These quadrants are named quadrant I, quadrant II, quadrant III & quadrant IV. In the case of a circle, a quadrant can be represented by a quarter of the circle. So let's study the topic quadrant of the cartesian plane & circle in ... Read More
Introduction A quadratic equation is a polynomial equation with the highest degree of two. The values satisfying the quadratic equation are called roots of them. There are a few methods to solve a quadratic equation and find its roots. The roots can be calculated using the factorization method by splitting the middle term, converting the quadratic equation into a complete square, and using the quadratic formula. Quadratic Equations A Quadratic equation is a polynomial equation of one variable with a degree of two. The general form of a quadratic equation f(x)=ax2+bx+c=0, in which x is the unknown variable, a≠0, ... Read More
Introduction A quadratic equation is a polynomial equation with the highest degree of two. The values satisfying the quadratic equation are called roots of them. There are a few methods to solve a quadratic equation and find its roots. The roots can be calculated using the factorization method by splitting the middle term, converting the quadratic equation into a complete square, and using the quadratic formula. Quadratic Equations A Quadratic equation is a polynomial equation of one variable with a degree of two. The general form of a quadratic equation f(x)=ax2+bx+c=0, in which x is the unknown ... Read More
Introduction A quadrilateral in geometry is a four-sided polygon with four sides and four corners (vertices). The Latin words Quadra, a variation of four, and latus, meaning "side, " are the source of the name. In reference to other polygons, it is also known as a tetragon, from the Greek "tetra" for "four" and "gon" for "corner" or "angle" (e.g. pentagon). Since "gon" is an anagram for "angle, " it is also known as a quadrangle or 4-angle. There are two types of quadrilaterals: simple (not self-intersecting) and complex (self-intersecting, or crossed). Convex or concave quadrilaterals are simple ... Read More
Introduction In statistics, three major terms are used to describe the central tendencies of data, i.e., mean, median, and mode. However, these terms refer to a specific number that represents the central value. However, quartile is another statistical term used to describe the data more efficiently than the above term. The concept of quartile is generally used to compare the data of one company with another. In addition, it is used to represent the median and quartiles graphically. In this tutorial, we will learn about the definition, formula, deviation, range, and some solved examples related to quartiles. Definition The ... Read More
Introduction Division is splitting (dividend) into equal parts by a known number of parts (divisor). Division is used everywhere in real life. When a number is divided by the same number the result is 1. Example: 4\/4 = 1. When a number is divided by 1 the result is the same number. Example:15/1=15 . When 0 is divided by a number, the result is 0. Example: 0÷14 = 0. When a number is divided by 0, the result doesn't have any value. Example: 7÷0 = undefined. Division Algorithm To divide a number there are two steps to follow − ... Read More
Pandas provides various data structures such as Series and DataFrame to handle data in a flexible and efficient way. In data analysis tasks, it is often necessary to check whether a particular column is present in a DataFrame or not. This can be useful for filtering, sorting, and merging data, as well as for handling errors and exceptions when working with large datasets. In this tutorial, we will explore several ways to check for the presence of a given column in a Pandas DataFrame. We will discuss the advantages and disadvantages of each method, and provide examples of how to ... Read More
PDF files are widely used for sharing documents, and it's often essential to check if two PDF files are identical or not. There are various methods to compare PDF files, and Python offers several libraries to achieve this task. In this article, we'll discuss various methods to check if the PDF is identical in Python. Method 1: Using PyPDF2 PyPDF2 is a Python library that can manipulate PDF files. It provides several methods to extract data from a PDF file, including text, images, and metadata. PyPDF2 also supports merging, splitting, and encrypting PDF files. We can use PyPDF2 to compare ... Read More
The Chi-square distance is a statistical measure that is used to compare the similarity or dissimilarity between two probability distributions. It is a popular distance measure in data analysis and machine learning and is often used in applications such as feature selection, clustering, and hypothesis testing. In Python, the SciPy library provides a convenient function to calculate the Chi-square distance, making it easy to use in various data analysis and machine learning projects. In this tutorial, we will discuss the Chi-square distance in Python and its implementation using the SciPy library. What is Chi-square Distance? The Chi-square distance is a ... Read More
Feature selection is an important aspect of machine learning. It involves selecting a subset of features from a larger set of available features to improve the performance of the model. Feature selection is important because it can help reduce the complexity of the model, improve the accuracy of the model, and make the model more interpretable. A common approach to feature selection is the Chi-Square test. This tutorial will explain what the Chi-Square test is, how it is used for feature selection along with an example, and Python implementation of Chi-Square feature selection. What is the Chi-Square Test? The Chi-Square ... Read More