# negative values

1. ### Negative Confidence Interval

3. In two wards for elderly women in a nursing home the following levels of hemoglobin were found: Ward A: 12.2, 11.1, 14.0, 11.3, 10.8, 12.5, 12.2, 11.9, 13.6, 12.7, 13.4, 13.7 grams/dl Ward B: 11.9, 10.7, 12.3, 13.9, 11.1, 11.2, 13.3, 11.4, 12.0, 11.1 g/dl Ward A Ward B n = 12 n =...

4. ### Multiple Imputation "cannot find an imputed value under the constraints for variable"

Hi, I am attempting (and so far failing) to use multiple imputation in SPSS to fill blanks in my data set. I ran the multiple impuation using the default settings and it worked fine except for the fact I was getting values way below my detection limits, some values were even negative...