- 24/10/2018
- 741
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- Statistics
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- IM
- 2002

### 14.1 - Ruggedness Testing of Methods (IM)

Testing of analytical procedures for ruggedness, before collaborative study, to determine the method conditions which have a significant influence on the test method results in terms of precision. Descriptors: test result from the frst replication from trial i, test results from the second replication from trial i, sum of the two replications from trial i, difference of the two replications from trail i, sum of the squares of the differences, Main effects error variance, Standard error of the main effects, Experimental error variance, sum of squares of the difference