Hi everybody,

I am quite new to data imputation, but I would like to use the R package '
Amelia II: A Program for Missing Data '. However, its unclear to me  how
the input for amelia should look like:

I have a data frame consisting of numerous coulmns, which represent
different experimental conditions, whereby each column has 3 replicates. I
want amelia to perform an imputation across the replicates in each condtion
(i.e. over 3 colums), not however across the whole data frame. Hence my
question, does amelia need some sort of 'grouping', i.e. how do I specify
how many columns of my data frame should be used for imputation?

Any help is greatly appreciated. Thank you!

Regards,

Elisa

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