Tag: data-imputation

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 Imputation of missing values for PCA 2012-09-02T10:47:57.310

17 R caret and NAs 2015-04-05T15:56:10.333

16 A 6th response option ("I don't know") was added to a 5-point Likert scale. Is the data lost? 2016-04-12T06:53:18.707

12 KNN imputation R packages 2013-06-06T23:35:43.867

12 How to perform imputation of values in very large number of data points? 2014-05-25T18:27:57.070

12 using neighbor information in imputing data or find off-data (in R) 2014-05-28T02:55:01.813

10 Combining two time-series by averaging the data points 2011-08-08T11:28:36.820

9 What is the advantage of imputation over building multiple models in regression? 2013-03-01T17:44:23.010

9 Why is this multiple imputation low quality? 2014-10-18T00:32:45.387

9 How to fill in missing data in time series? 2016-11-12T23:12:27.750

9 Pooling calibration plots after multiple imputation 2017-03-07T15:30:06.937

9 Methods to work around the problem of missing data in machine learning 2017-09-18T15:41:34.237

8 Multiple imputation for missing count data in a time series from a panel study 2011-07-10T22:37:27.063

8 Missing rates and multiple imputation 2012-03-09T17:02:43.933

8 Imputation to account for systematic error in survey responses 2012-03-21T00:53:36.127

8 Using multiple imputation for Cox proportional hazards, then validating with rms package? 2012-12-20T20:52:31.633

8 How to combine multiple imputed datasets? 2013-07-04T03:46:56.363

8 Which is better, replacement by mean and replacement by median? 2015-03-27T14:32:04.197

8 How to use restricted cubic splines with the R mice imputation package 2017-08-03T11:48:41.873

7 How can I apply a Pareto tail to a truncated distribution? 2010-08-03T20:23:34.770

7 Dealing with missing data due to variable not being measured over initial period of a study 2010-09-30T04:52:04.513

7 How does the mice imputation function work? 2012-05-09T01:06:05.323

7 Imputation of a censored variable 2012-06-28T21:26:26.040

7 Imputation with Random Forests 2013-02-05T01:23:36.110

7 Imputing a missing variable based on common variables with another data set 2013-03-20T01:18:50.093

6 Getting an average measurement based on two raters for cases where data is missing for one rater 2011-05-27T04:08:42.267

6 Canonical correlation analysis on a MICE data set 2011-06-21T21:43:38.527

6 Creating fuzzy values for binary data 2013-01-10T19:01:38.513

6 Fast missing data imputation in R for big data that is more sophisticated than simply imputing the means? 2014-05-20T02:10:52.040

6 How to handle with missing values in order to prepare data for feature selection with LASSO? 2014-06-20T22:17:02.687

6 Using Kalman filters to impute Missing Values in Time Series 2015-03-09T14:35:45.897

6 Use Available Pairs Method for Missing Data in OLS 2015-09-30T22:35:31.117

5 Advice on missing value imputation 2011-05-05T11:20:13.343

5 MCAR assumption is plausible should I do MI? 2012-03-10T18:44:19.477

5 Python packages for numerical data imputation 2013-08-21T19:03:36.707

5 Missing data at random 2013-09-30T20:17:05.723

5 Is the following procedure to measure the quality of an imputation ok? 2014-05-09T15:04:10.407

5 Imputation in a univariate time series 2016-11-11T15:13:53.100

5 Guassian Process for Data Imputation 2018-01-16T19:00:20.507

4 Multiple imputation on single subscale item or subscale scores? 2011-07-10T14:44:06.160

4 Using information on both sides of a 'gap' in time series data for imputation 2011-08-04T20:38:08.510

4 How do I predict performance for individuals who haven't taken any courses yet? 2012-06-28T16:32:09.800

4 Should I use missing value using imputation or listwise or pairwise deletion methods? 2012-10-09T08:53:53.480

4 Whether to transform non-normal variables prior to performing EM imputation? 2013-10-09T22:59:41.797

4 How to deal with invalid data values such as with age (e.g., -99, 0, F1)? 2014-03-18T01:23:20.557

4 Imputing missing observation in multivariate time series 2014-06-19T09:31:02.197

4 Stepwise regression modeling using multiply imputed data sets 2014-08-04T16:14:04.153

4 Single-Imputation on Age Needed? 2014-09-10T19:39:25.050

4 Missing data not at random - Advice needed on method 2014-11-18T11:47:39.867

4 Uncertainty in random forest imputations from R missForest package 2015-10-26T13:58:26.620

4 ML covariance estimation from Expectation-Maximization with missing data 2015-11-20T08:57:17.613

4 Problems with Missing values 2016-04-22T18:26:57.973

4 How do the number of imputations & the maximum iterations affect accuracy in multiple imputation? 2016-06-15T14:01:55.403

4 Is it advisable to include variables that are not in the full model in the imputation model? 2016-06-24T17:35:13.007

4 Rounding Binary Variables after Imputation in R 2016-12-11T07:31:41.013

4 Can I replace NAs based on response variable? 2017-01-23T09:11:26.517

4 Is missing outcome in survival analysis a problem? 2017-02-20T12:50:21.250

4 A data set with missing values in multiple variables 2017-03-08T23:40:38.683

4 Can you perform a multiple imputation on data that is missing not at random (MNAR)? 2017-04-23T16:30:33.563

4 Handling null values in linear regression, which are suppose to be higher than the non-null values 2017-12-05T14:06:13.290

3 Means and imputation of log-normal variables 2011-02-08T18:39:48.527

3 Add a column to a dataframe based on a probability distribution 2011-09-22T10:49:23.863

3 Ordered logistic multilevel regression in imputed dataset 2011-12-20T12:27:27.267

3 Multiple Imputation for Mixed Effects models 2012-04-23T12:56:21.513

3 Hot deck imputation: validity of double imputation and selection of deck variables for a regression 2013-01-28T06:54:29.183

3 Alternative for mi impute intreg 2013-08-12T14:13:28.607

3 Outlier detection/imputation - discussion 2013-08-18T18:56:12.447

3 Fuzzy Record Linkage of Spatial Datasets 2013-08-23T07:26:17.540

3 How to compare different sensitivity thresholds and detection limits? 2013-10-07T20:36:21.153

3 How to run chi-squared test on imputed data 2013-12-03T21:46:13.510

3 Imputation with mice: recode variables before or after imputation? 2014-03-21T10:49:56.283

3 Does it make sense to impute year of birth? 2014-04-24T12:56:27.363

3 Imputation by regression in R 2014-06-02T09:04:18.967

3 Why is collinearity a problem when imputing missing values? 2014-06-18T19:01:03.750

3 How to get only positive values when imputing data? 2014-07-12T03:24:09.390

3 Data imputation for meta analysis using mice package in R 2014-09-11T15:47:32.343

3 Missing data and imputation in general 2015-04-05T16:09:35.563

3 Imputation of a (weird) multivariate outcome 2016-01-12T15:00:50.430

3 Financial time series data: Imputing before or after calculating returns? 2016-01-15T23:08:20.937

3 Missing value imputation with nearest neighbour 2016-03-10T02:07:54.460

3 How to deal with dropouts from a waiting list control group? 2016-04-25T07:55:35.767

3 caret preProcess knnImpute error more nearest neighbours than there are points 2016-07-13T18:28:13.497

3 Missing value imputation in huge dataset 2016-07-16T04:15:38.983

3 When to replace Not Applicable" or N/A values with a zero? 2016-08-10T18:47:15.030

3 Missing data completely for one item in an 18 item questionnaire 2016-11-16T16:45:25.767

3 How is attenuation/dilution not a concern for univariate analysis? 2016-12-12T00:40:55.447

3 Tobit model (or survival analysis) for imputation of censored data in R 2017-02-17T13:56:26.707

3 Random Forest Models: creating correlated features 2017-02-28T14:09:32.910

3 How to handle missing information simultaneously in training and testing set? 2017-03-28T14:20:16.143

3 Simulate MAR (Missing at Random) data 2017-04-18T15:31:54.873

3 Multiple imputation of glm binomial size parameter 2017-05-23T14:01:33.420

3 Should I select features for imputation 2017-07-11T18:15:52.977

3 Imputing missing values in Python using RandomForest model 2017-07-13T09:50:54.653

3 Hot deck imputation, ''it preserves the distribution of the item values'', how can that be? 2017-10-11T07:31:04.277

3 Bad data imputation: How to impute specific bad data and replace it with realistic ones? 2017-10-27T13:17:54.137

2 Multiple imputation for clustered data 2011-03-11T12:06:54.577

2 Multiple imputation using SPSS 2011-06-28T18:50:40.013

2 R function to use for multiple imputation and determining if data is MAR or MCAR 2011-07-16T16:33:49.377