I use an external module (libsvm), which does not support numpy arrays, only tuples, lists and dicts. But my data is in a 2d numpy array. How can I convert it ... ... <看更多>

In this lesson, we are going to learn Python 2D lists. Python 2D lists are very useful in machine learning and data science. ... <看更多>

You can create a two dimensional array by applying np.array() to a list of lists, as long as the sublists are of the same size, and contain elements of a single ... ... <看更多>

I have a 2D Python array (list of lists). I treat this as a 'table'. Now I want to replace the first row and the top row with a header row ... ... <看更多>

Initialize 2D Array/List in Python. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>