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IBM Cognos TM1 Skipcheck
A TM1 Skipcheck is a concept related to the IBM Cognos TM1 solution. When a rule is added to a cube, TM1 turns off skipping empty cells and begins to check every cell in the cube before consolidating the values. This can cause performance problems.
With skipcheck you turn the Sparse Consolidation Algorithm back on which by default gets turned off once there is a rule defined in a cube. The rule will always calculate but the result will not necessarily consolidate. Skipcheck turns off checking all cells and does not take zeros or null values into account.