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user1205901's questions - English 1answer
206 questions.
Questions
Answers
Comparing the means of two groups when a large number of data points have the same value
1
0
answers,
0
favourites,
28
views
hypothesis-testing
skewness
group-differences
Testing the validity of models for adjusting bookmaker odds into probabilities of real-world events
0
answers,
0
favourites,
69
views
probability
forecasting
model-selection
simulation
Confidence interval for raw number of correct binary predictions
1
answers,
0
favourites,
43
views
confidence-interval
proportion
What is error variance?
1
1
answers,
1
favourites,
12.972
views
variance
error
Why use a certain measure of forecast error (e.g. MAD) as opposed to another (e.g. MSE)?
13
3
answers,
8
favourites,
30.131
views
forecasting
error
mse
mae
Do Stata and SPSS give conflicting versions of Anti-Image matrices?
2
1
answers,
0
favourites,
402
views
correlation
spss
factor-analysis
covariance-matrix
How can a distribution have infinite mean and variance?
33
3
answers,
16
favourites,
21.043
views
distributions
variance
mean
What's an intuitive way to remember the difference between mediation and moderation?
1
answers,
0
favourites,
382
views
interaction
intuition
mediation
teaching
Why does repeated measures ANOVA assume sphericity?
10
3
answers,
3
favourites,
730
views
anova
repeated-measures
assumptions
sphericity
What is the intuition behind the KMO formula?
1
0
answers,
0
favourites,
246
views
factor-analysis
intuition
Chi Square test in SPSS Exploratory Factor Analysis
3
1
answers,
1
favourites,
662
views
chi-squared
maximum-likelihood
factor-analysis
Why do orthogonal designs have the advantage of greater efficiency and interpretability?
3
1
answers,
1
favourites,
76
views
anova
Intuition behind the formula for the variance of a sum of two variables
9
3
answers,
1
favourites,
510
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,
55
views
multilevel-analysis
assumptions
Random Intercept Model: Will including Level 1 predictors necessarily reduce ICC?
1
1
answers,
0
favourites,
117
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,
18.943
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,
100
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,
168
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,
13.606
views
anova
interaction
interpretation
Why are reference variables not set in exploratory factor analysis?
3
2
answers,
0
favourites,
63
views
sem
confirmatory-factor
Is a frequentist approach to inference appropriate when working with non-repeatable data?
4
1
answers,
0
favourites,
61
views
bayesian
inference
frequentist
philosophical
In CFA, when is ML estimation preferable and when is GLS preferable?
2
0
answers,
0
favourites,
1.183
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,
2.104
views
correlation
terminology
intraclass-correlation
agreement-statistics
Bootstrapping in SEM when the original sample size is small
4
2
answers,
0
favourites,
1.774
views
bootstrap
sem
Do generalized linear models allow non-normal response variables, non-normal errors, or both? [duplicate]
3
0
answers,
0
favourites,
300
views
generalized-linear-model
intuition
Consequences of extreme values for Pearson's $r$ in this applied scenario
1
2
answers,
0
favourites,
108
views
correlation
pearson-r
When is it appropriate to use an improper scoring rule?
20
2
answers,
6
favourites,
604
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,
6.006
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,
4.378
views
regression
residuals
assumptions
1
2
3
4
5
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