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Naïve bayes is a method of supervised machine learning algorithm and it is from the family of probabilistic classifiers. It is simply a process of predicting the value of a feature variable independent of other features or variables that is the reason it is called naive. Here we are going to see how bayes theorem works with the very easy example of cards and then how this algorithm works on a real dataset or some set of features. Let’s dive in Naïve bayes.

K-Nearest Neighbor (KNN) is one of the supervised Machine Learning algorithm. It is used to solve classification and regression problems. It is a feature selection classfier widely used in hand-written text identification, satellite image processing, etc.

In supervised analysis Logistic regression is used when the data is categorical or qualitative. Logistic regression is used to find the likely-hood or probability of the dependent variable will fall in one category or another. This is also known as classification problem. Logistic regression works well when the is two category for example on or off, male or female, yes or no etc.

Linear regression is a basic and commonly used type of Supervised analysis method in statistics. Linear regression model is used to estimate the relationship between one dependent variable and one or more independent variables.

Just like as our grocery list, wish-list, Let's see how to work with lists in Python. Python has a great built-in list type named "list". List is a sequence type in Python. We will see the actions like creating, accessing, modifying, iterating, sorting, cloning and deleting from the list.

Serialization in Java is a mechanism of writing the state of an object into a byte stream. It is mainly used in Hibernate, RMI, JPA, EJB and JMS technologies.

A Process of converting data structure or object into a state that can be stored and can be reused for future use.

What is Cryptography? Why to use it? We are sharing our private data online at many places nowadays. So importance of security is highly increased. Cryptography is process of encryption and decryption of such data, where encryption is scrambling or changing a message to hide it and decryption is unscrambling or changing to make the message more readable.

Like many other libraries, turtle is Python's pre-packaged library which provides drawing functionalities using Turtle object. Lets see some concepts like how to set positions, move turtle forward and backward, draw and fill different shapes, use of pen etc.