There are several potential reasons for the failure of validation for previously identified loci in women of European descent.
A large difference between the two estimates of the baseline survival function suggests some fundamental miscalibration of the model and therefore a failure of validation.
Failure of validation can occur for several reasons, including differing probes used for the microarray and QPCR experiments (which can capture differential expression in splice variants), genomic differences between strains that alters the hybridization of the relevant regions of the probes, and false-positive expression changes.
At all rates appropriate photography and optical metrology have been used for direct strain measurement, observation of failure and validation of experimental procedures.
At a personal level, I coach young women at Ericsson to not get disheartened by failure or lack of validation," Gunjan shared.
None of the RRs included in the meta-analyses and meta-regressions show more than minor failures of the validation tests used, attributable to rounding errors or small imprecisions or uncertainties in estimating the RRs and CIs.
For emphysema, there are few dose-related data other than for amount smoked None of the RRs included in the meta-analyses and meta-regressions show more than minor failures of the validation tests used, attributable to rounding errors or small imprecisions or uncertainties in estimating the RRs and CIs.
29% of expected CER will never be issued due to failure of projects (negative validation, project withdrawn, …), 12% were not issued on time due to delays during the approval process (validation and registration), 27% were not issued on time due to delays at issuance, and only 1% will never be issued due to underperformance of projects in terms of CER delivered per day.
Polymorphisms (rs1693482, rs4444903, rs1800012) were excluded from the final assay because of validation failures.
13 14 For some important diagnoses such as myocardial infarction and heart failure, external validation of the diagnostic accuracy is good.
Annegarn J, Spruit MA, Uszko-Lencer NHMK, Vanbelle S, Savelberg HHCM, Schols AMWJ, Wouters EFM, Meijer K. Objective physical activity assessment in patients with chronic organ failure: a validation study of a new single-unit activity monitor.
