Razieh Haghighati

3 Questions 15 Answers 0 Followers

Questions related from Razieh Haghighati

How do you differ "missing data with ignorable mechanism" and "missing data with non-ignorable mechanism"?

Little and Rubin (2002) introduced three major missing data mechanisms. If the cause of missingness is independent of data, missingness is called missing completely at random (MCAR). On the other...

07 October 2015 6,831 11 View

How do you estimate missing data if you expect trends and shifts behavior in the dataset?

Although several approaches were developed for handling missing data, majority of them are only suitable to restore incomplete patterns which have random variation. When random variation exists...

07 October 2015 3,816 10 View

Which imputation techniques are suitable for handling missing data in data sets with non-Gaussian distribution?

I have found imputation methods based on statistical analysis and imputation methods based on machine learning. However, I do not know whether I can use them safely to impute NaNs in non-Gaussian...

13 January 2015 9,703 5 View