Tag: measurement

46 Under what conditions should Likert scales be used as ordinal or interval data? 2010-07-19T19:17:47.537

21 What is perplexity? 2011-05-04T06:04:26.560

18 Evaluation measure of clustering (without having truth labels) 2012-01-27T12:43:03.490

17 How can I align/synchronize two signals? 2012-07-05T02:42:02.020

13 How do economists quantify black market operations? 2011-10-17T19:26:20.453

13 What criteria must be met in order to conclude a 'ceiling effect' is occurring? 2014-05-07T08:30:12.273

12 Best distance measure to use 2011-02-04T21:33:28.603

12 Is there a measure of 'evenness' of spread? 2014-11-04T18:53:29.720

10 Is regression of x on y clearly better than y on x in this case? 2013-09-10T10:27:30.443

10 Measure the uniformity of a distribution over weekdays 2015-10-22T14:59:53.180

9 Linear regression model that best suit for data with errors 2014-05-26T12:28:03.657

7 How to compare measurements and uncertainties made with different measuring instruments? 2014-02-17T19:32:54.367

6 Is there a classification of physical measurements according to their statistical distribution? 2011-04-01T07:38:22.440

6 Primitive length measurements 2012-07-10T22:24:54.643

6 How to measure uncertainty of a parameter when false positives exist? 2014-02-20T19:41:09.590

5 Measurement level of percentile scores 2010-07-28T17:57:51.697

5 Repeatability and measurement error from and between observers 2010-10-16T01:44:55.913

5 Looking for a name for a "mean-influencing" statistic 2011-06-21T01:35:01.710

5 How do I handle measurement error in sparse data? 2012-04-20T15:18:16.350

5 Exploratory factor analysis among items with different measurements 2012-08-07T17:09:53.220

5 When is appropriate to run a factor analysis at items level vs. scale level in a questionnaire? 2012-09-16T16:43:41.240

5 What is an "Unpaired Bland-Altman plot"? 2014-02-19T17:21:04.560

5 Is there a statistical measure for how much a variable fluctuates over time? 2014-07-18T11:16:31.767

5 Can binary data be ordinal? 2015-09-01T07:16:53.240

5 How to represent periodic paired data? 2016-12-19T13:02:01.000

4 Can statistics based on crude units of measure be improved? 2012-11-04T02:33:41.800

4 interval or ratio? 2013-03-25T01:06:08.393

4 Comparing the mean difference between data measured by different equipment, t-test suitable? 2014-07-24T13:51:10.367

4 How I can measure an error in a bar plot? 2014-08-08T17:16:31.100

4 How do I detect the "corner" in a set of data as it arrives? 2015-04-13T14:42:37.687

4 What is the proper way to measure error for an estimation algorithm? 2016-06-22T03:15:30.187

3 How many measurements are needed to 'baseline' a measurement? 2010-07-29T13:43:53.010

3 What does averaging do for the noise level of my signal 2011-01-25T12:11:54.427

3 Measuring linear correlation of non-normally distributed variables 2011-03-09T09:43:14.043

3 Are nominal attributes strict classifications and equivalent to enumerations in programming languages? 2011-09-03T15:04:21.337

3 How to correctly describe measurement variation (over multiple repetitions) 2011-11-23T01:39:40.707

3 What is a good modern task load measurement? 2011-12-07T13:14:27.737

3 How to test if reading from two devices are significantly different? 2012-02-08T21:25:47.477

3 Experiment involving darts, how should I measure the response? 2012-06-03T03:58:13.687

3 Conversion between units of measurement 2012-10-22T13:56:27.667

3 What do you call a measurement that's halfway between ordinal and interval? 2013-02-25T11:42:04.267

3 Creating a meaningful statistic measure for physical geography 2013-08-05T19:59:56.303

3 Measure for the uniformity of a distribution 2013-08-09T13:36:39.180

3 Non-overlapping state and measurement covariances in Kalman Filter 2013-08-13T13:52:32.587

3 How do I calculate reliability between an algorithm and multiple human experts? 2013-09-13T16:36:09.693

3 What is the substantive meaning of scalar invariance? 2013-09-24T19:43:02.540

3 Creating consensus from multiple methods of measuring the same entity with some missing values 2014-02-21T02:34:44.173

3 Evaluation measures of overlapping clustering 2014-05-03T16:04:59.493

3 Literature on measuring speed and memory usage of software 2014-06-11T13:22:35.090

3 Are significance tests only about sampling error or other forms of variation also? 2014-07-16T15:06:06.060

3 Fast Algorithm for Bayesian Measurement Model 2014-12-30T18:36:36.400

3 In testing a structural model fit, how strongly do the measurement models fit influence the overall structural model fit? 2015-01-23T11:05:29.953

3 For association rules, does it make sense to plot a learning curve using the lift measure? 2015-12-17T13:01:21.057

3 Precision of Success 2016-10-26T00:53:50.120

3 The origin of Cohen`s d variance formula 2016-12-29T08:45:48.263

3 Scale of the correlation coefficient: is "r = .40 is twice as strong as r = .20" allowed/correct? 2017-03-08T10:08:29.213

3 Constructing an index: is it necessary to standardize? Which is the best solution? 2017-12-22T14:08:26.863

2 Data Augmentation Examples 2010-12-09T14:49:52.150

2 How to estimate the likelihood function for random generator of three events? 2010-12-16T14:57:00.873

2 Measure of closeness 2010-12-27T05:22:20.193

2 Assessing effect of intervention where aptitude tests used in pretest and posttest have some overlapping and some distinct items 2011-07-19T04:46:57.813

2 How to create a ratio distribution from samples? 2011-09-22T21:53:27.590

2 Goniometer data analysis 2011-10-06T12:44:01.587

2 Likert scale categories and composite scores 2011-12-31T23:49:31.140

2 What level of measurement is a factor score? 2012-08-09T19:56:49.747

2 Assessing the ability of two quantitative methods measuring the same thing 2013-01-06T22:15:17.677

2 Found a better measurement - what to do with the old/new measurement (both formative)? 2013-07-16T09:02:35.613

2 Why multiplication and division are not allowed when using the interval scale? 2014-01-20T13:41:35.233

2 Cluster evaluation based on different similarity algorithms 2014-03-03T14:39:34.860

2 Should IDs be nominal factors or text? 2014-06-17T08:34:37.800

2 Using the results of a non-metric multidimensional scaling to derive a measure of deviance 2014-07-21T15:11:27.063

2 Refining Monte Carlo predictions using observed measurements 2014-08-02T19:45:53.073

2 Estimating and using reliability metric with the same data 2014-08-15T19:18:54.603

2 Is 'fair statistics' a thing? 2014-09-04T10:28:33.843

2 bilateral exchange rate volatility definition 2014-11-02T16:49:33.103

2 Scales of Measurement 2014-11-07T09:10:01.690

2 Comparing corpus complexities 2015-01-16T04:34:42.023

2 How can we say that a clustering quality measure is good? 2015-03-01T21:18:32.857

2 How best to communicate uncertainty due to data quality and measurement issues 2015-04-08T12:59:51.150

2 How to measure loss of performance of clustering by applying dimensionality reduction 2015-04-27T11:10:38.573

2 Measurements: Calculate start of gradient 2015-07-15T16:38:33.770

2 How to determine experiment sample size for a target CI width? 2015-08-20T10:56:48.747

2 What level of measurement are names by letters? 2015-08-31T06:08:15.363

2 Measure dependence of categorical and ordinal variable 2015-09-08T13:03:32.223

2 What is a reasonable model measurement for a binary classification on an imbalanced data set? Accuracy? ROC? 2015-10-16T08:10:30.043

2 Obtain concordance correlation coefficient accounting for errors in data 2015-11-16T18:43:42.000

2 Is CFA appropriate for test retest reliability? 2016-02-04T15:54:20.363

2 Validate precise scale with less precise scale 2016-03-17T09:27:10.860

2 Non-direct measurement and degrees of freedom 2016-04-24T16:12:04.713

2 Appropriateness of Rasch for formative measurement models 2016-06-03T13:35:55.990

2 How to evaluate a HMM model? 2016-08-04T15:31:35.117

2 How to assess if two electricity consumption sets are corresponding? 2016-08-16T19:37:09.643

2 Noisy observations of independent signals are independent? 2017-07-11T20:17:13.390

2 Measure of closeness to one of two points 2018-01-07T06:55:43.587

2 Level of Measurement 2018-01-30T22:58:33.587

1 What's the difference between "measurement method" and "measurement procedure"? 2011-03-22T14:28:02.757

1 Formula for comparing the youth of different groups? 2011-09-12T03:29:38.523

1 Probability of a measurement under a continuous model 2012-01-06T20:28:54.973

1 Inferring a likely full population from multinomial measurement or survey data 2012-02-29T21:21:42.837