Now that we know how to build arrays, let's look at how to pull values our of an array using indexing, and also slicing off sections of an array. Similar to selecting an element from a python list, we ...
See below for script containing example illustrating the issue. It appears that when the array of labels passed to a Dataset comes from slicing a multi-dimensional array lightgbm does not use the ...
One of the most powerful data types in Python is the 'list'. Last time, we looked at how to extract 'just one' element from a list using [0] (index). Slicing uses a : (colon) to specify the 'start ...