Sentence examples for missing values except from inspiring English sources
In this imputation scheme, no assumption was made about the pattern of missing values except that they are MAR.
The average age of the respondents was 46.9 years; 89.1% of the study sample had no missing values in any measured indicator, and 94.5% had no missing values, except for the retrospective indicator for hospital days (see below).
To compare the likelihoods we excluded cases with missing values except for the variables for which we retained the category "not specified" due to a large number of missing values.
We found no substantial differences between subgroups and the total patient population, and no differences between participants with missing values compared with participants with no missing values, except for a few small differences in the CASE IV subgroup.
13 For this model we excluded missing values except in the case of results for electroencephalography and computed tomography or magnetic resonance imaging, where we created a third category for missing or not done.
No attempt was made to impute missing values except in the generalisability analysis where missing item scores were replaced by the grand mean in line with accepted practice for generalisability analysis [ 26].
When computing sum scores for each construct, cases with missing values were excluded, except for social support.
In general, the proportion of missing values was below 5%, except for some parent proxy-reported values related to school and friends.
For all confounding variables considered in our analyses, the percentage of missing values was below 3% (except for age at menopause: 7%).
Less than 8% of cases and controls had missing values for any variables except BMI and duration of expulsive efforts, for which we created a specific missing value indicator variable for regression analyses.
Basically, we added the auxiliary variables, introduced additional random error into the MAR conditions and put missing values into all variables except the response, because we wanted to create typical conditions for small and moderate sample medical research.
