Kochede
  • Member for 8 years, 3 months
  • Last seen more than 1 year ago
27 answers
1k votes
793k views
2k bookmarks
Making sense of principal component analysis, eigenvectors & eigenvalues
80 answers
370 votes
174k views
302 bookmarks
What is your favorite "data analysis" cartoon?
13 answers
219 votes
201k views
178 bookmarks
What is the difference between data mining, statistics, machine learning and AI?
5 answers
59 votes
28k views
61 bookmarks
What are disadvantages of state-space models and Kalman Filter for time-series modelling?
5 answers
49 votes
27k views
43 bookmarks
Is minimizing squared error equivalent to minimizing absolute error? Why squared error is more popular than the latter?
9 answers
39 votes
82k views
29 bookmarks
Why use vector error correction model?
3 answers
28 votes
14k views
17 bookmarks
How exactly is sparse PCA better than PCA?
9 answers
18 votes
7k views
26 bookmarks
A gallery of charts, diagrams, and plot types
2 answers
12 votes
460 views
4 bookmarks
Does MLE always mean we know the underlying PDF of our data, and does EM mean we don't?
2 answers
11 votes
922 views
3 bookmarks
How to model month to month effects in daily time series data?
1 answers
10 votes
2k views
8 bookmarks
Hidden state models vs. stateless models for time series regression
1 answers
4 votes
856 views
2 bookmarks
Test for Statistical Significance in the Accuracy of a Machine Learning System
1 answers
4 votes
1k views
3 bookmarks
Non negative least squares with minimal colinearity
1 answers
4 votes
548 views
1 bookmarks
Cointegration structure
1 answers
3 votes
3k views
1 bookmarks
Non-normality of residuals in linear regression of very large sample in SPSS
1 answers
3 votes
243 views
1 bookmarks
Numerical solution of varying coefficients ODE
2 answers
3 votes
888 views
3 bookmarks
Most important journals in data mining/ML, NLP and IR?
1 answers
3 votes
640 views
2 bookmarks
Does a radial basis function network work in high dimensions?
1 answers
1 votes
1k views
1 bookmarks
Do I need to rescale dummy variables for PCA?
0 answers
1 votes
654 views
1 bookmarks
Time series (stochastic process) estimating parameters using characteristic function
3 answers
1 votes
2k views
4 bookmarks
Predicting high frequency finance time series with HMM
2 answers
0 votes
4k views
2 bookmarks
What if a log transformation wipes out significance in regression?