Conservatism of the approximation sigma (O-E)2-E in the logrank test for survival data or tumor incidence data.
The logrank test is widely recommended for the statistical comparison of groups of observations of event times in which some observations may be censored. It is the rank test of greatest local power for detecting multiplicative differences in failure rates, and has many applications in clinical tria...
| Main Authors: | , |
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| Format: | Journal article |
| Language: | English |
| Published: |
1973
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