Publications by PyShark
Spelling Corrector Program in Python
In this article we will explore how to correct spelling of words and sentences using Python.Table of ContentsIntroductionCorrect spelling of a word using PythonCorrect spelling of a sentence using PythonConclusionIntroductionWe have already introduced the topic of spelling checker in Python in one of the previous articles.While simply checking fo...
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Dunn Index for K-Means Clustering Evaluation
In this tutorial we will explore the Dunn index and its application to K-Means clustering evaluation in Python.Table of ContentsIntroductionDunn Index ExplainedStep 1: Calculate inter-cluster distanceStep 2: Calculate intra-cluster distanceStep 3: Calculate Dunn IndexConclusionIntroductionThe Dunn Index (DI) is one of the clustering algorithms ev...
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Calinski-Harabasz Index for K-Means Clustering Evaluation using Python
In this tutorial we will explore the Calinski-Harabasz index and its application to K-Means clustering evaluation in Python.Table of ContentsIntroductionCalinski-Harabasz Index ExplainedStep 1: Calculate inter-cluster dispersionStep 2: Calculate intra-cluster dispersionStep 3: Calculate Calinski-Harabasz IndexCalinski-Harabasz Index Example in Py...
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Levene’s Test for Equality of Variances Explained (with Python Examples)
In this tutorial we will explore the Levene’s test for equality of variances and its application in Python.Table of ContentsIntroductionSample dataLevene’s test explainedLevene’s test hypothesesLevene’s test statisticLevene’s test example in PythonConclusionIntroductionA lot of statistical tests and procedures assume normality of the da...
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Bartlett’s Test for Equality of Variances Explained (with Python Examples)
In this tutorial we will explore the Bartlett’s test for equality of variances and its application in Python.Table of ContentsIntroductionSample dataBartlett’s test explainedBartlett’s test hypothesesBartlett’s test statisticBartletts test example in PythonConclusionIntroductionA lot of statistical tests and procedures assume normality of...
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Everything About Python Tuple Data Structure: Beginner’s Guide
In this article we will focus on a complete walk through of a Python tuple data structure.Table of ContentsWhat is a Python tupleHow to create a Python tupleTuple with string elementsTuple with integer elementsTuple with mixed type elementsTuple with nested elementsHow to access an element from a Python tupleAccess element from a tuple using inde...
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Everything About Linked List Data Structure in Python: Intermediate Guide
In this article we will focus on a complete walk through of a Python linked list data structure.Table of ContentsWhat is a linked listHow to create a linked list in PythonHow to traverse a linked list in PythonHow to insert a node at the end of a linked list in PythonHow to insert a node at the beginning of a linked list in PythonHow to insert a ...
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Everything About Stack Data Structure in Python
In this article we will focus on a complete walk through of a Python stack data structure.Table of ContentsWhat is a stackHow to create a stack in PythonHow to check if a stack is empty in PythonHow to add elements to a stack in PythonHow to remove elements from a stack in PythonConclusionWhat is a stackA stack is an array-like data structure tha...
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Everything About Queue Data Structure in Python
In this article we will focus on a complete walk through of a Python queue data structure.Table of ContentsWhat is a queueHow to create a queue in PythonHow to check if a queue is empty in PythonHow to add elements to a queue in PythonHow to remove elements from a queue in PythonConclusionWhat is a queueA queue is an array-like data structure tha...
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How to Standardize Data in Python
In this article we will explore how to standardize data in Python.Table of ContentsIntroductionWhat is standardizationStandardization exampleHow to standardize data in PythonConclusionIntroductionOne of the first steps in feature engineering for many machine learning models is ensuring that the data is scaled properly.Some models, such as linear ...
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