TAYLLORCOX > Akademie > SAS > Neural Network Modeling

Neural Network Modeling

This course helps you understand and apply two popular artificial neural network algorithms: multi-layer perceptrons and radial basis functions. Both the theoretical and practical issues of fitting neural networks are covered. Specifically, this course teaches you how to choose an appropriate neural network architecture, how to determine the relevant training method, how to implement neural network models in a distributed computing environment, and how to construct custom neural networks using the NEURAL procedure.

Termíny
Target group
Course structure
Prerequisites

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Target group

Data analysts and modelers with a strong mathematical background

Course structure

Introduction to Neural Networks

Provide a brief history of neural networks.
Describe key concepts underlying neural networks.
Illustrate traditional approaches to nonlinear modeling.

Network Architecture

Define the linear perceptron neural network.
Describe combination and activation functions.
Show how a linear perceptron is a generalized linear model that is able to model many target distributions.
Detail multilayer and skip-layer perceptrons.
Detail ordinary and normalized radial basis functions.

Learning

Describe the problem of local minima.
Describe the parameter estimation methods.
Outline the optimization (training) techniques that are available in the Neural Network node.

NEURAL Procedure

Overview of PROC NEURAL.
Input selection using PROC NEURAL.
Define sequential network construction (SNC).
Illustrate the SNC paradigm.
Stochastic gradient descent.

Augmented Networks

Implementing a time delay neural network.
Interpreting a neural network with a continuous target.
Interpreting a neural network with a categorical target.

HP Neural Node

Outline the challenge of big data.
Introduce SAS High-Performance Analytics.
Describe the HP Neural node's interface.

PROC DMDB and PROC NEURAL User’s Guide

DMDB procedure.
NEURAL procedure.

Empirical Partial Residuals

Generating empirical partial residual plots to guide variable selection.

Prerequisites

Before attending this course, you should:

Have an understanding of basic statistical concepts, which you can gain from the Statistics 1: Introduction to ANOVA, Regression, and Logistic Regression course.
Have completed the SAS Programming 1: Essentials course or have equivalent knowledge.
Be familiar with SAS Enterprise Miner software. You can gain this knowledge from the Applied Analytics Using SAS Enterprise Miner course.
Have completed a college-level calculus course.