What is the system is computationally singular error while using the factanal function in R


0

2958

October 4, 2015

How to decide if we need to use the Bartletts test of sphericity before applying PCA


0

904

October 3, 2015

How to interpret some of the outputs of PCA like scores,rotation


0

2475

September 26, 2015

What is the difference between prcomp and princomp for PCA in R


3

6221

September 21, 2015

What does rotation in PCA do?


2

18905

September 16, 2015

Why is the Sum of the squared components of each PCA is equal to 1


1

6167

September 16, 2015

Do ensemble techniques take care of high correlation


2

1781

September 16, 2015

Why is the sum of squared coefficients of x's across all the Principal Components 1


1

1160

September 15, 2015

Error in colMeans(x, na.rm = TRUE) : 'x' must be numeric


1

28518

September 12, 2015

How to use PCA technique to build classification model


2

3929

September 6, 2015

What does rotmat signifies in varimax function during PCA


1

1661

August 25, 2015

How varimax rotation helps in principal component analysis


1

2449

August 24, 2015

What is the value of cex signifies in biplot function during PCA in R


1

4472

August 21, 2015

What is Varimax rotation in PCA


1

11501

August 20, 2015

What should be number of components in PCA


2

1873

August 19, 2015

What does the summary of PCA signifies


1

1376

August 17, 2015

How to find the the correlation between the variables in PCA


1

993

August 16, 2015

Why is the diagonal elements of D from the SVD are proportional to the standard deviations returned by PCA


0

894

August 15, 2015

Why it is necessary to standardize the data in PCA


2

13503

August 16, 2015

How to interpret the eigen vectors while doing PCA


1

1976

August 13, 2015

Computing eigenvectors for PCA


2

1657

July 28, 2015

What is the reason behind having Orthogonal PCA's?


1

1379

July 25, 2015

Multi Dimensional Scaling for Dimension reduction


0

1261

July 25, 2015

Non Linear PCA and it's applications


0

997

July 25, 2015
