Tag: degrees-of-freedom

211 How to understand degrees of freedom? 2011-10-12T20:16:52.280

32 Degrees of freedom of $\chi^2$ in Hosmer-Lemeshow test 2015-08-17T14:00:09.430

28 What are "degrees of freedom"? 2010-07-28T09:54:14.730

27 Can degrees of freedom be a non-integer number? 2017-05-21T17:00:41.333

20 How should mixed effects models be compared and or validated? 2012-02-28T03:33:59.977

19 Satterthwaite vs. Kenward-Roger approximations for the degrees of freedom in mixed models 2014-07-16T13:30:53.737

15 What is the distribution of the difference of two-t-distributions 2011-05-16T13:52:03.117

13 The definition natural cubic splines for regression 2016-09-03T19:21:20.873

12 Multiple linear regression degrees of freedom 2013-04-06T10:18:55.300

11 Explanation for non-integer degrees of freedom in t test with unequal variances 2014-09-23T20:31:19.743

11 Reporting degrees of freedom for Welch t-test 2014-11-21T13:54:07.210

11 AIC of ridge regression: degrees of freedom vs. number of parameters 2016-12-02T11:34:16.093

10 Should I use Welch's (1947) approximate degrees of freedom or Satterthwaite's (1946)? 2013-09-24T22:22:48.957

10 testing logistic regression coefficients using $t$ and residual deviance degrees of freedom 2014-08-18T00:06:55.907

9 Differences between PROC Mixed and lme / lmer in R - degrees of freedom 2012-06-01T09:57:15.683

9 Why is the degrees of freedom for a matched pairs $t$-test the number of pairs minus 1? 2016-04-30T01:40:05.153

9 Intuition for the degrees of freedom of the LASSO 2016-07-09T13:15:02.180

9 What do you do if your degrees of freedom goes past the end of your tables? 2017-05-08T15:43:38.333

8 Why degree of freedom in statistics is so useful? 2016-02-01T04:54:59.267

7 How to choose df for comparisons between summary statistics (e.g. slope values)? 2010-09-07T16:01:51.877

6 Is there an anova procedure that doesn't assume equal variance? 2011-02-12T16:46:03.520

6 Why are degrees of freedom so high in repeated measures mixed models? 2011-08-11T10:34:57.043

6 Distribution of sum of squares error for linear regression? 2012-03-20T04:13:25.293

6 What are the degrees of freedom of a distribution? 2012-08-24T16:26:19.167

6 Generalized Linear Model in SPSS with common values among predictors treated as subpopulations. Why? 2013-02-03T03:31:47.793

6 Bayesian inference and degrees of freedom 2013-05-08T16:04:44.283

6 Are degrees of freedom in lmerTest::anova correct? They are very different from RM-ANOVA 2014-02-03T11:46:52.910

6 Why do I not get a p-value from this ANOVA in R? 2014-04-17T01:42:10.823

6 Understanding the background to chi-square test for tables 2015-01-23T10:47:05.463

6 Is the degrees-of-freedom explanation for Bessel's correction in unbiased sample variance wrong? 2015-04-12T10:25:26.553

6 Estimating the prediction variance in kernel ridge regression 2015-07-20T15:07:34.667

6 Generalization of degrees of freedom for t distribution for coefficients after multiple imputation 2016-06-21T15:41:32.973

6 Required sample size and degrees of freedom for a VAR 2016-07-24T18:53:37.187

6 Does the determination of the mean and SD imply the loss of one or two degrees of freedom? 2016-07-30T19:25:01.973

5 How to setup a laboratory experiment in Ecological Research under high natural variability 2010-11-19T14:48:02.893

5 How to intuitively understand formula for estimate of pooled variance when testing differences between group means? 2011-06-24T19:52:23.013

5 Weird denominator degrees of freedom in SAS glimmix 2012-06-08T13:10:45.180

5 Why is it valid to account for k-1 intercepts w/ only 1 random intercept parameter? 2012-08-27T17:17:54.407

5 Generalised additive model: What is ref.df in R's output? 2013-09-24T04:22:19.317

5 Degrees of freedom for a weighted average 2013-09-26T03:42:20.873

5 LCA number of parameters & degrees of freedom 2014-07-15T12:41:45.580

5 Effective degrees of freedom for regularized regression 2014-10-29T21:14:02.397

5 How should we use the degree of freedom of a model? 2015-09-10T08:59:32.587

5 Effective degrees of freedom 2015-12-29T22:41:00.707

4 Is this the correct way to calculate $MSE$ from $SS_{\text{treatment(s)}}$, $df_{\text{treatment(s)}}$, $F$? 2010-11-12T18:35:44.143

4 Markov chain model likelihood ratio test 2013-02-01T08:56:27.733

4 Degrees of freedom for standard deviation of sample 2013-05-06T00:38:19.480

4 Increasing degrees of freedom with mixed models 2013-06-22T19:22:15.393

4 DF for regression SS in multiple linear regression when sigma is known 2013-07-03T15:56:37.117

4 Effective sample size of weighted regression 2014-04-30T15:24:09.860

4 Why does the SSR have 1 degree of freedom in simple linear regression? 2014-09-19T14:34:26.757

4 How can I work out the standard deviation of a t-distribution? 2014-10-02T15:38:58.717

4 How to determine whether a variable is significant using Pr (>Chi) and Df? 2014-12-10T15:16:26.330

4 Effects of blocking on type I and type II error rates 2015-01-02T18:23:55.433

4 Determining number of factors in exploratory factor analysis 2015-01-23T20:15:07.873

4 What is Bartlett's theory? 2015-05-10T00:33:15.150

4 Do I need to adjust the degrees of freedom returned by pool.compare() in MICE? 2015-06-22T02:38:24.200

4 LRT for a Linear Mixed Model 2016-06-21T17:34:13.330

4 Why is the mean of a Chi Square distribution equal to the degree of freedom? 2016-06-23T14:59:08.237

4 Can I reduce the AICc penalty for multiple variables, when some variables should be grouped? 2016-06-24T10:17:33.040

4 How can I calculate the AICc if the number of samples equals the number of parameters plus one 2016-11-29T11:10:04.543

4 Degrees freedom reported by the lmer model don't seem plausible 2017-04-19T13:03:06.330

4 Explaining degrees of freedom when testing the number of common factors 2017-05-13T17:16:24.393

4 R's t.test() unequal variance degrees of freedom 2017-09-26T22:48:29.663

3 Is there a known MLE for the numerator df of a sample of F statistics? 2011-10-10T17:07:59.663

3 Will off-diagonal elements of Cov-Matrix contribute to number of parameters for AIC? 2012-05-20T15:26:55.030

3 Include Type B in effective degrees of freedom for expanded uncertainty? 2012-09-07T21:57:14.473

3 Unfold degrees of freedom of interaction in factorial design analysis in R 2012-10-08T18:04:42.447

3 Which are the correct sum of squares for repeated measures ? (balanced example) 2013-03-19T11:06:51.580

3 Intuition or explanation of "rule of thumb" for loss of degrees of freedom in chi-square for model selection/knot placement? 2013-12-04T03:40:02.173

3 Degrees of freedom in regression analysis 2014-02-02T13:37:52.977

3 What's the rationale behind the degrees of freedom in Levene's test? 2014-04-20T02:30:29.967

3 In ANOVA, why are $\text{MS}_\text{between}$ and $\text{MS}_\text{within}$ defined by divisions by k-1 and N-k? 2014-05-05T14:39:45.623

3 Calculation of confidence interval for estimation of demand curve - how many degrees freedom? 2014-06-17T09:34:24.313

3 Find the degrees of freedom of a F distribution given its 97.5th percentile 2014-09-18T14:20:11.010

3 How to explain degrees of freedom term to a layman? 2015-03-21T08:20:43.000

3 How many degrees of freedom in logistic regression? 2015-06-10T20:31:53.893

3 What are the specific degrees of freedom of a Chi-squared Goodness of Fit test? 2015-10-14T04:16:59.760

3 Appropriate number of degrees of freedom in t-Copula 2015-11-09T12:35:26.070

3 Reduced degrees of freedom using transformed data in one-way ANOVA (SAS PROC MIXED) 2016-02-16T17:35:35.290

3 How is two-sample ANOVA the same as two-sample t-test? 2016-03-27T06:49:49.893

3 Why does the degree of freedom of SSR equals 1 in simple linear regression 2016-04-03T01:07:03.687

3 Identical mixed models in SPSS and R nlme, with different degrees of freedom. Which to trust and why? 2016-05-20T14:26:08.200

3 GAM set a smoothing degree 2016-07-22T01:03:03.167

3 Is the distribution of the test statistic for the Hosmer-Lemeshow test $\chi^2$ in ''out of sample validation''? 2016-09-29T07:48:26.127

3 What is the number of parameters for AIC if some coefficients are zero? 2016-11-14T08:52:33.087

3 How is degrees of freedom calculated in AOV function for repeated measures anova? 2016-11-24T18:59:03.933

3 Measuring "model complexity": Using degrees of freedom or number of coefficients? 2016-12-03T19:15:20.570

3 Can Wishart be close to Normal distribution? 2016-12-06T22:35:58.467

3 Does this article use an inappropriate chi-square test or some other test of significance? 2017-01-05T22:13:03.073

3 Why does the mean have $n-1$ degrees of freedom? 2017-01-31T16:54:34.007

3 Why does the skew function require multiplying by n/((n-1)(n-2))? 2017-02-11T22:46:59.600

3 How to determine Degrees of Freedom in Linear (Mixed Effect) Regression 2017-02-28T00:30:02.140

3 Does the complexity of a basis function correspond to the number of DOF required to select it? 2017-05-26T16:23:32.907

2 Distance to a regression line, and degrees of freedom 2011-06-09T11:55:47.333

2 -1 df for a saturated model with ML estimator? 2011-09-21T10:56:35.613

2 Interpreting group level coefficents/degrees of freedom in mixed effects model 2012-05-23T00:23:42.430

2 Degrees of freedom in quadratic regression simultaneous confidence bands 2012-06-05T20:31:21.697

2 How to calculate minF' with corrected degrees of freedom? 2012-06-23T20:55:11.827