Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2288-12-73/MediaObjects/12874_2011_Article_839_Fig1_HTML.jpg)
Graphical determination of a delta value for the variable genotype 3. Left panel: histogram of the sum of genotype 3 imputed values for each data set and for M = 1000 bases ; extreme values of this sum are 340 in imputed dataset n°921 and 480 in imputed dataset n°771. Right panel: normalized weights (wm) for each imputed dataset according to δ.