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interpret the first principal component and justify whether, besides centering, the data was (or not) scaled.

interpret the first principal component and justify whether, besides centering, the data was (or not) scaled.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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interpret the first principal component and justify whether, besides centering, the data was (or not) scaled. 

PC1 0.2 0.4 0.6 -0.6 -0.2 -2 -10 1 2 3 Nutrient data in different types of food was collected. The data had variables Calcium, Iron, Sodium, VitaminA, VitaminC, measured in samples of each of the following types of (cooked) food: Quail, Pheasant, Egg, Duck, Turkey, Guineafowl, Chicken, all derived from poultry. As part of principal component analysis, the following plots were produced. Chicken Sodium Egg Guineafowl VitaminA Calcium Turk Duck Pheasanton VitaminC -0.6 -0.2 PC4 0.2 0.4 0.6 ટ 2 3 T -2 -1 0 1 PC2 -0.6 -0.2 0.2 0.4 0.6 -2 -1 0 1 2 T Duck sochicken Iron ftingafowl Quail VitaminC Calcium Pheas Vitangg -0.6 -0.2 0.2 0.4 0.6 PC3 -2 -1 0 1 2
Transcribed Image Text:PC1 0.2 0.4 0.6 -0.6 -0.2 -2 -10 1 2 3 Nutrient data in different types of food was collected. The data had variables Calcium, Iron, Sodium, VitaminA, VitaminC, measured in samples of each of the following types of (cooked) food: Quail, Pheasant, Egg, Duck, Turkey, Guineafowl, Chicken, all derived from poultry. As part of principal component analysis, the following plots were produced. Chicken Sodium Egg Guineafowl VitaminA Calcium Turk Duck Pheasanton VitaminC -0.6 -0.2 PC4 0.2 0.4 0.6 ટ 2 3 T -2 -1 0 1 PC2 -0.6 -0.2 0.2 0.4 0.6 -2 -1 0 1 2 T Duck sochicken Iron ftingafowl Quail VitaminC Calcium Pheas Vitangg -0.6 -0.2 0.2 0.4 0.6 PC3 -2 -1 0 1 2
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