DC 558
Dublin City University
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Class notes
Introductory Econometrics - Basic Mathematical Concepts
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---57February 20242023/2024
- Functions 
Straight Lines 
Plot of Hours Studies Against Mark Obtained 
Straight Lines 
Roots 
Quadratic Functions 
The Roots of Quadratic Functions 
Calculating the Roots of Quadratics-Examples 
Calculating the Roots of Quadratics-Solutions 
Powers of Numbers or of Variables 
Manipulating Powers and their Indices 
The Exponential Function 
A Plot of the Exponential Function 
Logarithms 
How do Logs Work? 
A Graph of a Log Function 
The Laws of Logs 
Sigma Notation 
Properties of the Sigma Opera...
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$8.49 More Info
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Class notes
Introductory Econometrics - Basic Probabilities
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---13February 20242023/2024
- What is Probability? 
PROBABILITY AS A NUMERICAL MEASURE OF THE LIKELIHOOD OF AN EVENT OCCURRING 
Experiments, Counting Rules, and Assigning Probabilities 
Counting Rules, Combinations, and Permutations 
COUNTING RULE FOR MULTIPLE-STEP EXPERIMENTS 
COUNTING RULE FOR MULTIPLE-STEP EXPERIMENTS 
TREE DIAGRAM FOR THE EXPERIMENT-Example 
Combination 
Permutation
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ayshanoordheen
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Class notes
Introductory Econometrics - Course Overview
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---9February 20242023/2024
- This module introduces students to the fundamental concepts in econometrics. 
It is initiated by building upon and extending statistical concepts. Subsequently, students navigate through 
foundational principles, with a focus on introducing linear regression—the cornerstone of econometrics. By 
achieving a balance between essential theoretical content and a substantial applied component, the course 
aims to cultivate practical skills necessary for students to independently undertake applied re...
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$8.89 More Info
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