We present a simple sample-size formula for weighted log-rank statistics applied to clustered survival data with variable cluster sizes and arbitrary treatment assignments within clusters. This ...

Existing methods for the analysis of clustered, ordinal data are inappropriate for certain applications. We propose latent variable models for clustered ordinal data which are derived as natural ...

Big data and cloud infrastructure is creating an innovation boom and massive business opportunity. Anytime a market is going under radical reformation there is an opportunity for any company to “move ...

When a large number of people in a community come down with cancer, doctors and researchers try to find out if there's a root cause. For more information about cancer clusters, explore the questions ...

Cell function is regulated by the spatiotemporal organization of the signaling machinery, and a key facet of this is molecular clustering. Here, we present a protocol for the analysis of clustering in ...

Some 70 representatives of the international Cluster scientific community came together last week for the 35th Cluster Science Working Team at the European Space Operations Centre (ESOC) in Darmstadt, ...

If you limit your analysis of the cloud DW space just to the MS-AWS lobe, you'll miss some important breakthroughs in the market. For example, Microsoft distinguishes its Azure SQL Data Warehouse from ...