When creating aggregations on crosstabs, BIRT ignores NULL values. It leads to incorrect values for AVERAGE. How can I replace NULL with zero. My data is from a stored procedure query. Thank you !
Leo
BIRT: How to include NULL values in crosstab average function
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So you want the average of [4,null,null,null] to be 1? I think BIRT's calculation 4 is correct instead of this.
But anyway, you could a computed output column XXX_nvl0 to your dataset which is computed as
Then compute the average of XXX_nvl0 instead of XXX.