>I've worked out how to parse the date column so that seems to be >under control but now I have a list of date ranges that I need to >remove from the dataset. The date ranges to be removed look >something like this:
>with the first column representing the start date of the block to be >removed and the second column representing the end date of the >block, multiple rows represent multiple blocks to be removed and the >total number of blocks is variable.
>Ideally I'd like to be able to use Drop or Delete to remove the >offending blocks of data but I want to be able to somehow feed the >command with the date range table and have it remove the ranges all >in one go.
Use DeleteCases. For example, here is some random data in a format similar to what you've indicated above: