主权项 |
1. A process node for creating bootstrap samples from a dataset, wherein the process node is one of a plurality of process nodes in a data warehouse appliance, the process node comprising:
a processor; and a memory communicatively coupled to the processor, wherein the memory is encoded with instructions and wherein the instructions when executed by the processor include: generate, with the process node, a series of random integers; create, with the process node, an assignment map, the assignment map includes a row identifier for each row of the dataset; assign, with the process node, a plurality of bootstrap sample identifiers defined by the series of random integers to at least one row identifier in the assignment map; and create, with the process node and based on the assignment map, an output table, each row of the output table includes an instance of a bootstrap sample identifier, the row identifier assigned with the instance of the bootstrap sample identifier, and data from the row of the data set associated with the row identifier. |