Tag: modeling

181 Is there any reason to prefer the AIC or BIC over the other? 2010-07-23T20:49:12.340

167 How to know that your machine learning problem is hopeless? 2016-07-05T08:22:25.707

76 Rules of thumb for "modern" statistics 2010-09-16T10:21:36.837

76 Including the interaction but not the main effects in a model 2011-05-20T01:19:45.107

71 Model for predicting number of Youtube views of Gangnam Style 2012-10-27T05:49:05.703

67 Can someone explain Gibbs sampling in very simple words? 2011-05-01T19:37:56.640

62 What is the meaning of "All models are wrong, but some are useful" 2013-04-27T08:39:58.983

61 Why should I be Bayesian when my model is wrong? 2017-04-20T15:28:29.097

58 Do all interactions terms need their individual terms in regression model? 2012-05-04T02:10:29.487

58 What is the benefit of breaking up a continuous predictor variable? 2013-08-31T05:32:29.880

56 Variable selection for predictive modeling really needed in 2016? 2016-05-28T20:13:33.140

50 Are we exaggerating importance of model assumption and evaluation in an era when analyses are often carried out by laymen 2015-05-07T11:28:05.520

48 Why does including latitude and longitude in a GAM account for spatial autocorrelation? 2012-09-01T14:00:41.887

47 What is a "saturated" model? 2010-07-20T12:09:08.457

46 Variables are often adjusted (e.g. standardised) before making a model - when is this a good idea, and when is it a bad one? 2011-12-01T16:29:35.557

43 What is so cool about de Finetti's representation theorem? 2012-08-16T17:40:14.243

41 Are all models useless? Is any exact model possible -- or useful? 2015-04-02T00:59:47.333

38 Statistical models cheat sheet 2010-08-04T16:39:49.250

37 Using k-fold cross-validation for time-series model selection 2011-08-10T17:20:12.543

32 Understanding the parameters inside the Negative Binomial Distribution 2011-01-30T23:22:12.240

29 Why is variable selection necessary? 2011-11-10T21:32:43.083

29 How to fit an ARIMAX-model with R? 2011-11-14T20:41:02.867

29 Negative binomial regression question - is it a poor model? 2013-07-23T15:26:52.830

27 What is the statistical model behind the SVM algorithm? 2017-11-14T06:51:34.737

26 What are best practices in identifying interaction effects? 2010-11-25T05:32:53.903

26 Choosing variables to include in a multiple linear regression model 2012-01-18T00:14:32.140

24 Do you have a global vision on those analysis techniques? 2011-08-21T02:56:54.377

23 General Linear Model vs. Generalized Linear Model (with an identity link function?) 2011-02-15T19:28:22.333

21 Is interaction possible between two continuous variables? 2010-11-27T19:42:14.197

21 Weakly informative prior distributions for scale parameters 2011-01-24T18:02:29.257

21 What are some standard practices for creating synthetic data sets? 2011-10-15T13:25:52.650

21 Introduction to structural equation modeling 2012-01-16T11:20:03.903

20 Spatial statistics models: CAR vs SAR 2010-07-20T11:49:02.490

19 Do you have recommendations for books to self-teach Applied Statistics at the graduate level? 2014-06-18T13:52:41.833

18 How to combine confidence intervals for a variance component of a mixed-effects model when using multiple imputation 2010-09-13T11:47:27.230

17 Distribution that describes the difference between negative binomial distributed variables? 2011-07-21T19:08:22.733

17 How to predict when the next event occurs, based on times of previous events? 2011-09-30T20:26:34.607

16 What is the community's take on the Fourth Quadrant? 2010-09-20T18:57:24.617

16 Fitting models in R where coefficients are subject to linear restriction(s) 2011-01-13T12:07:18.603

16 What is the relationship between R-squared and p-value in a regression? 2013-02-20T17:50:06.427

16 Difference between Bayesian networks and Markov process? 2014-05-26T02:46:55.273

15 Poisson regression with large data: is it wrong to change the unit of measurement? 2010-07-20T11:08:47.770

15 Practical thoughts on explanatory vs predictive modeling 2011-11-24T17:36:50.653

15 How does linear regression use the normal distribution? 2015-04-29T07:15:43.443

15 When to stop refining a model? 2015-10-27T14:15:02.057

14 Modelling a Poisson distribution with overdispersion 2010-07-19T19:30:30.390

14 Can I simply remove one of two predictor variables that are highly linearly correlated? 2010-11-26T00:58:39.783

14 Concepts behind fixed/random effects models 2012-08-09T13:01:50.033

14 Either quadratic or interaction term is significant in isolation, but neither are together 2012-08-16T23:52:24.597

14 Why is skewed data not preferred for modelling? 2017-03-13T00:38:01.867

13 Looking for good introductory treatment of meta-analysis 2010-08-20T18:06:04.580

13 Properties of logistic regressions 2011-10-05T08:12:59.083

13 Which statistical classification algorithm can predict true/false for a sequence of inputs? 2011-12-01T20:20:16.263

13 AIC/BIC: how many parameters does a permutation count for? 2013-01-30T01:15:07.707

13 What exactly is building a statistical model? 2013-07-01T22:17:59.623

13 Is prediction the 'golden criterion' to judge the ability of statisticans? 2015-12-08T08:40:05.500

13 Given two linear regression models, which model would perform better? 2016-09-17T19:09:26.657

12 When to use multiple models for prediction? 2010-07-23T16:51:11.790

12 Model for population density estimation 2010-11-11T14:38:22.373

12 What's a good prior distribution for degrees of freedom in a t distribution? 2011-01-24T17:55:40.930

12 Complications of having a very small sample in a structural equation model 2011-05-01T17:28:38.533

12 Parametric modelling of variance of count data 2011-10-19T21:21:28.453

12 Modelling when the dependent variable has a "cut-off" 2014-01-22T18:57:02.360

12 Additive Error or Multiplicative Error? 2015-02-19T17:10:07.720

11 Reasons besides prediction to build models? 2010-08-02T17:29:12.087

11 Coefficients paths – comparison of ridge, lasso and elastic net regression 2013-06-05T12:26:56.470

11 Specifying a difference in differences model with multiple time periods 2013-11-09T18:33:48.937

10 Tips and tricks to get started with statistical modeling? 2010-11-05T21:17:57.507

10 Measuring Regression to the Mean in Hitting Home Runs 2011-01-20T03:49:06.957

10 Is a logistic regression biased when the outcome variable is split 5% - 95%? 2011-05-05T14:03:29.927

10 Is there a concept of "enough" data for training statistical models? 2011-07-30T07:43:09.577

10 Log Linear Models 2012-11-21T21:40:11.587

10 Techniques for analyzing ratios 2013-01-08T11:41:22.033

10 fitting an exponential function using least squares vs. generalized linear model vs. nonlinear least squares 2013-01-08T22:15:35.687

10 How to handle categorical predictors with too many levels? 2013-08-21T05:06:07.010

10 Fitting distribution to spatial data 2014-02-04T02:23:18.327

10 Test of association for a normally-distributed DV by directional independent variables? 2016-03-22T20:42:57.150

9 Tools for modeling financial time series 2010-07-19T19:27:13.503

9 Calculating ratio of sample data used for model fitting/training and validation 2010-07-26T18:24:35.737

9 Measuring goodness-of-fit in a model that combines two distributions 2010-09-11T23:12:23.770

9 How do you draw structural equation/MPLUS models? 2010-10-20T10:33:59.067

9 Should I re-shuffle my data? 2011-01-02T08:31:58.303

9 How to model the sum of Bernoulli random variables for dependent data? 2011-07-04T10:30:39.660

9 Help with SEM modeling (OpenMx, polycor) 2012-02-20T14:27:23.800

9 Fitting model for two normal distributions in PyMC 2012-12-27T22:29:53.397

9 Modelling for soccer scores 2013-10-09T11:56:48.657

9 Parameters vs latent variables 2015-02-24T17:48:33.350

9 VAR forecasting methodology 2016-01-21T19:34:00.757

9 Modeling cricket bowlers getting batsmen out 2016-08-17T17:50:34.063

9 When can I not replace a random variable with its mean? 2017-10-24T21:14:03.127

8 Computing best subset of predictors for linear regression 2010-08-25T18:15:55.980

8 Explain model adjustment, in plain English 2010-10-24T13:58:01.527

8 Discussing binomial regression and modeling strategies 2011-03-04T10:09:32.567

8 General advice on modeling 2011-08-17T01:05:27.787

8 Flexible version of logistic regression 2012-05-05T11:53:16.717

8 Language modeling: why is adding up to 1 so important? 2012-07-14T03:57:49.727

8 What model can be used when the constant variance assumption is violated? 2012-08-13T15:09:35.660

8 Why would a statistical model overfit if given a huge data set? 2014-01-27T18:18:04.097

8 Hidden state models vs. stateless models for time series regression 2014-04-27T20:53:26.440