Ed Rigdon's user avatar
Ed Rigdon's user avatar
Ed Rigdon's user avatar
Ed Rigdon
  • Member for 5 years, 8 months
  • Last seen more than 3 years ago
  • Atlanta, GA, USA
17 votes
Accepted

What does it mean when PCA does not produce a reduction in dimensionality?

8 votes

Expectation of 500 coin flips after 500 realizations

8 votes
Accepted

Why is p-value termed as P(Data | Hypothesis/Model)?

7 votes
Accepted

Does too many variables in a regression model affect inference?

7 votes
Accepted

Why are p-values probabilities rather than likelihoods?

4 votes

Controlling variables in causal diagrams

3 votes

What is the difference between factors and latent variables?

3 votes

ASA discusses limitations of $p$-values - what are the alternatives?

3 votes

Linear regression to answer causal questions

3 votes

What effect(s) would removing the outliers have in a linear regression?

3 votes
Accepted

Can I reverse SEM directions to calculate variables?

2 votes

Factor Analysis: Principal Components vs Maximum Likelihood

2 votes

ARIMA Stock Price Prediction is very bad

2 votes

Group based SEM has different implications when run individally

2 votes

Using SEM to run one-way and two-way ANOVAs

2 votes

Why does second component have to be orthogonal to the first component in PCA?

2 votes

In regression analysis, how does one know which transformation to apply to either the response variables or features?

2 votes

Using Principal Components to create my y variable when many different y variables are available

1 vote

SEM: High SRMR in model with binary predictor. Other fit indices OK

1 vote
Accepted

Which components should be chosen to analysis?

1 vote

why there different standard error form in Hypothesis testing

1 vote

How can I combine different principal components into one index?

1 vote

CFA markers and latent variable's variance

1 vote

Is it appropriate to use "time" as a causal variable in a DAG?

1 vote

Can you do CFA with non-survey data?

1 vote

Removing parameters in SEM when $\chi^2$ value and DF are 0

1 vote

How to calculate the variance-covariance matrix of the principal components from the variance-covariance matrix of the original data?

1 vote

What statistical test is this?

1 vote

Can I have 2 Cronbach's alphas?

1 vote
Accepted

Dimension Reduction Using Correlation Weighted Linear Aggregation