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user1205901's questions - English 1answer
203 questions.
Questions
Answers
Do Stata and SPSS give conflicting versions of Anti-Image matrices?
1
1
answers,
0
favourites,
343
views
correlation
spss
factor-analysis
covariance-matrix
What's an intuitive way to remember the difference between mediation and moderation?
1
answers,
0
favourites,
360
views
interaction
intuition
mediation
teaching
Why does repeated measures ANOVA assume sphericity?
10
3
answers,
3
favourites,
713
views
anova
repeated-measures
assumptions
sphericity
What is the intuition behind the KMO formula?
1
0
answers,
0
favourites,
155
views
factor-analysis
intuition
Chi Square test in SPSS Exploratory Factor Analysis
3
1
answers,
1
favourites,
466
views
chi-squared
maximum-likelihood
factor-analysis
Why use a certain measure of forecast error (e.g. MAD) as opposed to another (e.g. MSE)?
11
3
answers,
8
favourites,
29.070
views
forecasting
error
mse
mae
Why do orthogonal designs have the advantage of greater efficiency and interpretability?
3
1
answers,
1
favourites,
56
views
anova
Intuition behind the formula for the variance of a sum of two variables
9
3
answers,
1
favourites,
488
views
variance
covariance
intuition
What is the reasoning behind the formulae for the different standard errors of measurement?
7
3
answers,
2
favourites,
397
views
prediction
standard-error
reliability
psychometrics
Assumptions of multilevel analysis
2
1
answers,
0
favourites,
38
views
multilevel-analysis
assumptions
Random Intercept Model: Will including Level 1 predictors necessarily reduce ICC?
1
1
answers,
0
favourites,
107
views
anova
multilevel-analysis
random-effects-model
intraclass-correlation
When doing a t-test for the significance of a regression coefficient, why is the number of degrees of freedom $n-p-1$?
9
3
answers,
4
favourites,
18.085
views
regression
hypothesis-testing
multiple-regression
t-test
Why is the “sphericity assumption” in RM-ANOVA (constant variance of difference scores) called “sphericity”?
3
1
answers,
1
favourites,
95
views
anova
repeated-measures
terminology
assumptions
sphericity
Why bother looking at an omnibus ANOVA when I have a priori hypotheses about group differences?
4
1
answers,
2
favourites,
166
views
anova
mathematical-statistics
t-test
ranking
isotonic
How does the interpretation of main effects in a Two-Way ANOVA change depending on whether the interaction effect is significant?
5
3
answers,
8
favourites,
13.308
views
anova
interaction
interpretation
Why are reference variables not set in exploratory factor analysis?
3
2
answers,
0
favourites,
53
views
sem
confirmatory-factor
Is a frequentist approach to inference appropriate when working with non-repeatable data?
4
1
answers,
0
favourites,
59
views
bayesian
inference
frequentist
philosophical
In CFA, when is ML estimation preferable and when is GLS preferable?
2
0
answers,
0
favourites,
1.129
views
estimation
maximum-likelihood
sem
confirmatory-factor
generalized-least-squares
What's the difference between concordance correlation and intraclass correlation?
6
1
answers,
1
favourites,
1.911
views
correlation
terminology
intraclass-correlation
agreement-statistics
How can a distribution have infinite mean and variance?
31
3
answers,
15
favourites,
20.147
views
distributions
variance
mean
Bootstrapping in SEM when the original sample size is small
4
2
answers,
0
favourites,
1.601
views
bootstrap
sem
Do generalized linear models allow non-normal response variables, non-normal errors, or both? [duplicate]
3
0
answers,
0
favourites,
282
views
generalized-linear-model
intuition
Consequences of extreme values for Pearson's $r$ in this applied scenario
1
2
answers,
0
favourites,
100
views
correlation
pearson-r
When is it appropriate to use an improper scoring rule?
19
2
answers,
6
favourites,
563
views
classification
forecasting
scoring-rules
What's the relationship between initial eigenvalues and sums of squared loadings in factor analysis?
5
1
answers,
5
favourites,
5.607
views
pca
spss
factor-analysis
eigenvalues
factor-rotation
Why is the normality of residuals “barely important at all” for the purpose of estimating the regression line?
18
2
answers,
9
favourites,
4.136
views
regression
residuals
assumptions
Is multilevel modelling simpler, more practical, or more convenient using Bayesian methods or frequentist methods?
7
2
answers,
2
favourites,
2.638
views
bayesian
multilevel-analysis
frequentist
Why are implied covariance matrices in SEM supposed to be nonpositive definite?
1
2
answers,
0
favourites,
399
views
sem
What is error variance?
1
1
answers,
1
favourites,
11.335
views
variance
error
Îµ vs u as the error term in regression
2
1
answers,
0
favourites,
322
views
regression
terminology
notation
1
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