Thanks to advances in molecular sequencing, scientists have generated a wealth of data from the genome, transcriptome, proteome and metabolome. However, these "-omics" datasets are complex and there ...

1. Black N: Why we need observational studies to evaluate the effectiveness of health care. BMJ 1996; 312:1215–8 CrossRef 2. McKee M, Britton A, Black N, McPherson K, Sanderson C, Bain C: Methods in ...

The majority of recent empirical papers in operations management (OM) employ observational data to investigate the causal effects of a treatment, such as program or policy adoption. However, as ...