The following R results were generated by a principal component analysis. a. How many original variables are
Question:
The following R results were generated by a principal component analysis.
a. How many original variables are in the data set?
b. What percent of variance does the third principal component account for?
c. How many principal components need to be retained in order to account for at least 85% of the total variance in the data?
Transcribed Image Text:
Importance of components%s: Standard deviation Proportion of variance Cumulative proportion PC1 PC2 PC3 2.0294 1.7895 PC4 1.1338 0.83607 0.4217 0.3279 0.1316 0.07158 0.7497 0.8813 0.4217 0.95288 PC9 1.538e-16 0.000E+00 1.000E+00
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a There are 9 variables in the data se...View the full answer
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Business Analytics Communicating With Numbers
ISBN: 9781260785005
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen
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