SPEARMAN’S RANK CORRELATION BY NILOY MAJUMDAR Table of Contents 1. INTRODUCTION 2. BIVARIATE DATA 3. ASSOCIATION AND CORRELATION 4. DEFINITION AND CALCULATION 5. RELATED QUANTITIES 6. INTERPRETATION 7. EXAMPLE 8. PEARSON’S PRODUCT-MOMENT CORRELATION COEFFICIENT 9. DETERMINING SIGNIFICANCE 10. CORRESPONDENCE ANALYSIS BASED ON SPEARMAN’S rho 11. REFERENCES 1. Introduction Rank correlation is used quite
Premium Spearman's rank correlation coefficient Pearson product-moment correlation coefficient Correlation and dependence
MBAC 5107 Global Production Networks Using the production network concept‚ create a map of the commodity showing the geographical network of material‚ human and value flows. Then examine one or to of the nodes so that you can tell a story that illustrates an interesting way in which the network is organized or how uneven development is reproduced in the network. Your map is not meant to be exhaustive for the purposes of this assignment. Fill in as much as you can and focus on the story that you
Premium Ketchup Canada H. J. Heinz Company
Linear Programming History of linear programming goes back as far as 1940s. Main motivation for the need of linear programming goes back to the war time when they needed ways to solve many complex planning problems. The simplex method which is used to solve linear programming was developed by George B. Dantzig‚ in 1947. Dantzig‚ was one in who did a lot of work on linear programming‚ he was reconzied by several honours. Dantzig’s discovery was through his personal contribution‚ during WWII when Dantzig
Premium Optimization Linear programming Algorithm
MC-B TOPIC; LINEAR PROGRAMMING DATE; 5 JUNE‚ 14 UNIVERSITY OF CENTRAL PUNJAB INTRODUCTION TO LINEAR PROGRAMMING Linear programming (LP; also called linear optimization) is a method to achieve the best outcome (such as maximum profit or lowest cost) in a mathematical model whose requirements are represented by linear relationships. Linear programming is a special case of mathematical programming
Premium Optimization Operations research Linear programming
CORRELATION RESEARCH DEFINITION: Correlational research tests for statistical relationships between variables. The researcher begins with the idea that there might be a relationship between two variables. She or he then measures both variables for each of a large number of cases and checks to see if they are in fact related. The relationship of interest could be either a D relationship or an R relationship‚ so this might involve making a bar graph and computing D or making a line graph
Premium Null hypothesis Statistical hypothesis testing Correlation does not imply causation
An Introduction to Linear Programming Steven J. Miller∗ March 31‚ 2007 Mathematics Department Brown University 151 Thayer Street Providence‚ RI 02912 Abstract We describe Linear Programming‚ an important generalization of Linear Algebra. Linear Programming is used to successfully model numerous real world situations‚ ranging from scheduling airline routes to shipping oil from refineries to cities to finding inexpensive diets capable of meeting the minimum daily requirements. In many of these problems
Premium Optimization Linear programming
2014/9/16 Linear Equations Ad Options Ads by Vidx Linear Equations A linear equation is an equation for a straight line These are all linear equations: y = 2x+1 5x = 6+3y y/2 = 3 x Let us look more closely at one example: Example: y = 2x+1 is a linear equation: The graph of y = 2x+1 is a straight line When x increases‚ y increases twice as fast‚ hence 2x When x is 0‚ y is already 1. Hence +1 is also needed So: y = 2x + 1 Here are some example values: http://www.mathsisfun.com/algebra/linear-equations
Premium Elementary algebra Derivative
ITE3001 Information Technology Essentials – Services (Mini Project) Instructions This Mini Project contributes 50% of total module marks. The project consists of FOUR parts (total 50%)‚ students are required to complete Part 1‚ 2 & 4 with Microsoft Office 2010 and Part 3 with Google Sites tools. Students are recommended to submit their completed works in TWO phases‚ of which penalty will be imposed to any kinds of late submission. Phase I Submission (21-Nov-2014 5:00 pm): Required: Part 1 (15%)
Premium Microsoft Office Microsoft Word Microsoft
The simple regression model (SRM) is model for association in the population between an explanatory variable X and response Y. The SRM states that these averages align on a line with intercept β0 and slope β1: µy|x = E(Y|X = x) = β0 + β1x Deviation from the Mean The deviation of observed responses around the conditional means µy|x are called errors (ε). The error’s equation: ε = y - µy|x Errors can be positive or negative‚ depending on whether data lie above (positive) or below the conditional
Premium Normal distribution Regression analysis Variance
Mini Case Chapter 1 a. Why is corporate finance important to all managers? Corporate Finance is the specific area of finance dealing with the financial decisions corporations make‚ and the tools and analysis used to make the decisions. Corporate finance is important to all managers because managers must make very important decisions that will direct the future of their businesses. Most of these decisions will be made‚ based on the analysis of its financial status. Corporate finance provides
Premium Corporation Types of business entity Finance