Exercise 21.8Simple PCA plotX1 x2 X3 x4 x,1 -2 122 11-2 -33 4TABLE 3. The data points (columns) for Problem 21.8.4 73 -2114112 3Using the data in Table 3 construct PCA plots in 2D and 3D.

To plot pca in 3d, install the package named "pca3d" in R. To determine the no. of principal…

Answered: X1 X2 X3X4 X5 1-2 12 4 3 -2 2 1 1 -2 -3…

X1 X2 X3X4 X5 1-2 12 4 3 -2 2 1 1 -2 -3 4 1 1 3 1 2 3 TABLE 3. The data points (columns) for Problem 21.8. 4 Using the data in Table 3 construct PCA plots in 2D and 3D.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a certain country, total alcoholic beverage sales are reported throughout the year. Sales were reported as $118.5 billion at the beginning of 2004 and $136.2 billion at the beginning of 2006. (a) Let the x-axis denote time and the y-axis denote the amount of alcohol sales (in billions), Let x = 0 correspond to 2004. Fill in the blanks: The given data is represented by the points ( 118.5) and (2, ). (b) Find the linear equation determined by the two points in part (a). (c) Use the equation in part (b) to estimate the alcohol sales produced in 2005. (d) If the model remains accurate, in what year will reported alcohol sales reach $150 billion? (a) The given data is represented by the points (,118.5) and (2,). (Type integers decimals rounded to one decimal place.) (b) The linear equation determined by the two points in part (a) is y =x+. (Type integers or decimals rounded to one decimal place.) (c) The alcohol sales produced in 2005 are approximately $ billion. (Type an integer or…
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We use the form ŷ = a + bx for the least-squares line. In some computer printouts, the least-squares equation is not given directly. Instead, the value of the constant a is given, and the coefficient b of the explanatory or predictor variable is displayed. Sometimes a is referred to as the constant, and sometimes as the intercept. Data from a report showed the following relationship between elevation (in thousands of feet) and average number of frost-free days per year in a state.A Minitab printout provides the following information.Predictor Coef SE Coef T PConstant 317.70 28.31 11.22 0.0015Elevation −31.8123.511 −9.060.0028s = 11.8603, R-Sq = 96.5%Notice that "Elevation" is listed under "Predictor." This means that elevation is the explanatory variable x. Its coefficient is the slope b. "Constant" refers to a in the equation ŷ = a + bx.(a)Use the printout to write the least-squares equation.ŷ = (b)For each 1,000-foot increase in elevation, how many…
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Problem 6
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Question 6 Temperature vs. Sales 1000 1000 Temperature vs. Sales 800 Which scatter plot represents the data? 800 600 Temperature (°C) Sales ($) A 600 A C 400 4 $800 400 6 $600 200 12 $700 200 12 $500 4 12 16 20 24 28 32 14 $200 Sales ($) 0 4 8 12 16 20 24 28 32 18 $600 Temperature (°C) © 2020 StrongMind. Created using GeoGebra. 24 $200 © 2020 StrongMind. Created using GeoGebra. 24 $400 Temperature vs. Sales 1000 26 $700 Temperature vs. Sales 1000 800 28 $400 B O 600 800 A 600 400 200 400 200 0 4 12 16 20 24 28 32 Sales ($) 0 4 8 12 16 20 24 28 32 Temperature (°C) © 2020 StrongMind. Created using GeoGebra. Temperature (°C) Temperature (°C) Sales (S) Sales (S)
To balance inventory at Otto's Optometry, customer Gender and Eye Condition were collected in the data. Make a 2x2 pivot table with Gender in rows and Eye Condition in columns. Customer # Eye Condition Gender 1 Farsighted Male 2 Bifocals Male 3 Nearsighted Male 4 Farsighted Male 5 Nearsighted Female 6 Farsighted Male 7 Farsighted Male 8 Nearsighted Female 9 Nearsighted Male 10 Farsighted Male 11 Bifocals Male 12 Farsighted Female 13 Farsighted Male 14 Farsighted Male 15 Farsighted Male 16 Farsighted Male 17 Nearsighted Male 18 Bifocals Female 19 Farsighted Male 20 Farsighted Male 21 Farsighted Male 22 Bifocals Male 23 Farsighted Female 24 Nearsighted Male 25 Nearsighted Female 26 Bifocals Female 27 Nearsighted Female 28 Farsighted Female 29 Bifocals Male 30 Nearsighted Female 31 Farsighted Male 32 Bifocals Female 33 Farsighted Male 34 Bifocals…
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