Ginni has Published 1522 Articles

What is Hypothesis Testing?

Ginni

Ginni

Updated on 11-Feb-2022 11:44:00

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Hypothesis testing is the simplest approach to integrating data into a company’s decision-making processes. The purpose of hypothesis testing is to substantiate or disprove preconceived ideas, and it is a part of almost all data mining endeavors.Data miners provide bounce back and forth among methods, first thinking up possible descriptions ... Read More

What are Single-Attribute Evaluators in data mining?

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Ginni

Updated on 11-Feb-2022 11:40:49

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In single-attribute evaluators, it can be utilized with the Ranker search methods to make a ranked list from which ranker discards a given number. It is also used in the RankSearch method.Relief Attribute Eval is instance-based − It samples instances randomly and checks neighboring instances of the equal and multiple ... Read More

What is Weka data mining?

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Ginni

Updated on 11-Feb-2022 11:38:49

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Weka is a set of machine learning algorithms for data mining services. The algorithms can be used directly to a dataset or from your own Java program. It includes tools for data pre-processing, classification, regression, clustering, association rules, and visualization. It is also applicable for producing new machine learning schemes.One ... Read More

What is Bias–Variance Decomposition?

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Ginni

Updated on 11-Feb-2022 11:35:12

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The effect of joining multiple hypotheses can be checked through a theoretical device called the bias-variance decomposition. Suppose it can have an infinite number of separate training sets of similar size and use them to create an infinite number of classifiers.A test instance is treated by all classifiers, and an ... Read More

What is Outlier Detection?

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Ginni

Updated on 10-Feb-2022 11:56:31

1K+ Views

An outlier is a data object that diverges essentially from the rest of the objects as if it were produced by several mechanisms. For the content of the demonstration, it can define data objects that are not outliers as “normal” or expected data. Usually, it can define outliers as “abnormal” ... Read More

What are the approaches of Unsupervised Discretization?

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Ginni

Updated on 10-Feb-2022 11:54:18

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An attribute is discrete if it has an associatively small (finite) number of possible values while a continuous attribute is treated to have a huge number of possible values (infinite).In other term, a discrete data attribute can be viewed as a function whose range is a finite group while a ... Read More

What are Generalizing Exemplars?

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Ginni

Updated on 10-Feb-2022 11:52:27

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Generalized exemplars are the rectangular scope of instance area, known as hyperrectangles because they are high-dimensional. When defining new instances it is essential to convert the distance function to enable the distance to a hyperrectangle to be computed.When a new exemplar is defined correctly, it is generalized by directly merging ... Read More

What are Radial Basis Function Networks?

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Ginni

Updated on 10-Feb-2022 11:50:08

7K+ Views

The popular type of feed-forward network is the radial basis function (RBF) network. It has two layers, not counting the input layer, and contrasts from a multilayer perceptron in the method that the hidden units implement computations.Each hidden unit significantly defines a specific point in input space, and its output, ... Read More

How to construct a decision tree?

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Ginni

Updated on 10-Feb-2022 11:44:19

2K+ Views

A decision tree is a flow-chart-like tree mechanism, where each internal node indicates a test on an attribute, each department defines an outcome of the test, and leaf nodes describe classes or class distributions. The largest node in a tree is the root node.The issues of constructing a decision tree ... Read More

What is Instance-based representation?

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Ginni

Updated on 10-Feb-2022 11:35:00

1K+ Views

The simplest structure of learning is plain memorization, or rote learning. Because a group of training instances has been remembered, on encountering a new instance the memory is investigated for the training instance that most powerfully resembles the new one.The only problem is how to clarify resembles. First, this is ... Read More

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