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partial-least-squares

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37 Favorites

Added Views Newest Activity Votes
361
votes
3
answers
231k
views

Relationship between SVD and PCA. How to use SVD to perform PCA?

pca dimensionality-reduction matrix svd
Aug 20 '18 at 19:03 amoeba says Reinstate Monica 75.2k
112
votes
6
answers
54k
views

Should one remove highly correlated variables before doing PCA?

correlation pca
Sep 16 '16 at 19:34 Community♦ 1
99
votes
6
answers
48k
views

Why L1 norm for sparse models

regression lasso regularization ridge-regression
Sep 9 '18 at 5:39 solver149 188
99
votes
9
answers
178k
views

What is the difference between linear regression on y with x and x with y?

regression correlation linear-model pearson-r
Feb 10 at 12:43 SiXUlm 228
95
votes
2
answers
175k
views

What is covariance in plain language?

correlation repeated-measures terminology covariance independence
Oct 9 '13 at 15:19 Community♦ 1
85
votes
7
answers
36k
views

Bias and variance in leave-one-out vs K-fold cross validation

machine-learning variance cross-validation bias bias-variance-tradeoff
May 5 at 1:39 Vincent Granville 701
68
votes
5
answers
111k
views

Loadings vs eigenvectors in PCA: when to use one or another?

pca
Oct 23 '18 at 8:28 D.Zhang 1
59
votes
7
answers
9k
views

Optimization when Cost Function Slow to Evaluate

gradient-descent optimization bayesian-optimization
Nov 5 at 17:25 Sycorax says Reinstate Monica 51.3k
54
votes
3
answers
62k
views

Using principal component analysis (PCA) for feature selection

r pca feature-selection
Jul 17 '15 at 11:37 chl 46.6k
54
votes
7
answers
26k
views

Best PCA algorithm for huge number of features (>10K)?

pca algorithms model-evaluation high-dimensional
Apr 25 at 7:42 Kolya Ivankov 151
47
votes
3
answers
9k
views

Understanding Naive Bayes

machine-learning naive-bayes
Feb 5 at 21:17 Matt Krause 16.2k
41
votes
5
answers
49k
views

How to derive the ridge regression solution?

regression least-squares regularization ridge-regression
Aug 29 '18 at 7:27 Ferdi 4,371
37
votes
3
answers
3k
views

Variance of $K$-fold cross-validation estimates as $f(K)$: what is the role of “stability”?

regression machine-learning variance cross-validation predictive-models
Oct 13 '18 at 1:01 Community♦ 1
36
votes
3
answers
58k
views

How to estimate shrinkage parameter in Lasso or ridge regression with >50K variables?

r lasso ridge-regression high-dimensional
Jul 27 '15 at 4:19 smci 1,258
35
votes
3
answers
21k
views

How to select a clustering method? How to validate a cluster solution (to warrant the method choice)?

clustering validation model-evaluation hierarchical-clustering
Mar 13 at 9:30 ttnphns 43.3k
33
votes
2
answers
5k
views

Theory behind partial least squares regression

regression references regularization svd partial-least-squares
Dec 3 '17 at 13:38 amoeba says Reinstate Monica 75.2k
32
votes
1
answer
26k
views

PCA objective function: what is the connection between maximizing variance and minimizing error?

pca optimization
Feb 3 '15 at 12:50 Community♦ 1
32
votes
3
answers
31k
views

How to draw neat polygons around scatterplot regions in ggplot2 [closed]

ggplot2 scatterplot
Jul 19 '17 at 19:07 Charles Martin 51
29
votes
1
answer
17k
views

Proof that the coefficients in an OLS model follow a t-distribution with (n-k) degrees of freedom

regression linear-model least-squares t-distribution
Dec 11 '14 at 22:01 Community♦ 1
26
votes
1
answer
6k
views

PCA, LDA, CCA, and PLS

pca discriminant-analysis partial-least-squares canonical-correlation
Jan 30 '15 at 17:50 amoeba says Reinstate Monica 75.2k
25
votes
3
answers
30k
views

What is the relationship between orthogonal, correlation and independence?

correlation independence
Nov 13 '18 at 23:20 linan huang 1
21
votes
2
answers
914
views

The limit of “unit-variance” ridge regression estimator when $\lambda\to\infty$

pca regularization ridge-regression partial-least-squares constrained-regression
Oct 24 at 21:07 Sextus Empiricus 13.5k
19
votes
1
answer
21k
views

Not normalizing data before PCA gives better explained variance ratio

pca
Jul 3 '14 at 9:54 Matt.135 601
19
votes
3
answers
7k
views

Relationship between ridge regression and PCA regression

regression pca regularization ridge-regression
Nov 21 '18 at 7:07 davidhigh 1,130
16
votes
1
answer
38k
views

What is “feature space”?

machine-learning svm feature-selection cart feature-construction
Aug 1 '18 at 21:44 minggli 3
15
votes
4
answers
3k
views

The proof of equivalent formulas of ridge regression

regression lasso regularization ridge-regression lagrange-multipliers
Apr 3 at 4:15 Royi 711
14
votes
2
answers
2k
views

Why linear regression has assumption on residual but generalized linear model has assumptions on response?

regression generalized-linear-model assumptions linear
Feb 24 '18 at 2:27 Cliff AB 15.5k
13
votes
2
answers
4k
views

From a statistical perspective: Fourier transform vs regression with Fourier basis

fourier-transform functional-data-analysis
Jan 7 '17 at 9:07 DeltaIV 12.2k
13
votes
2
answers
539
views

What is Bayesian Deep Learning?

bayesian deep-learning
Apr 5 '18 at 3:29 Zen 18.8k
10
votes
1
answer
3k
views

Is PCA still done via the eigendecomposition of the covariance matrix when dimensionality is larger than the number of observations?

pca
Jun 30 '16 at 13:28 Community♦ 1
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