Lecture Derivatives

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• Lecture Phonetics & Phonology: Lecture 5

Lecture 5 - Stress of Lecture Phonetics & Phonology has content: Definition, Types of stress, Nature of stress, Placement of stress within words (Simple words, Derived words, Compound words), Word class pairs, Strong form and weak form.

• Lecture Machine learning (2014-2015) - Lecture 6: Logistic regression: a simple ANN

This lecture describes the construction of binary classifiers using a technique called Logistic Regression. The objective is for you to learn: How to apply logistic regression to discriminate between two classes; how to formulate the logistic regression likelihood; how to derive the gradient and Hessian of logistic regression; how to incorporate the gradient vector and Hessian matrix into Newton’s optimization algorithm so as to come up with an algorithm for logistic regression, which we call IRLS.

• Lecture Machine learning (2014-2015) - Lecture 4: Nonlinear ridge regression risk, regularization, and cross-validation

This lecture will teach you how to fit nonlinear functions by using bases functions and how to control model complexity. The goal is for you to: Learn how to derive ridge regression; understand the trade-off of fitting the data and regularizing it; Learn polynomial regression; understand that, if basis functions are given, the problem of learning the parameters is still linear; learn cross-validation; understand model complexity and generalization.

• Lecture Organic chemistry: Chapter 19 - L. G. Wade, Jr.

Amines are organic derivatives of ammonia with one or more alkyl or aryl groups bonded to the nitrogen atom. As a class, amines include some of the most important biological compounds. Amines serve many functions in living organisms, such as bioregulation, neurotransmission, and defense against predators. This chapter draw and name amines, and use spectral information to determine their structures; compare the basicity of amines with other common bases, and explain how their basicity varies with hybridization, aromaticity, resonance, and induction.