It works perfectly fine under python 2. This appears to be caused by loadtxt failing to properly decode the text file. May be related to #2715, #4208, #4543, #5530. These issues give me the impression ...

The loadtxt function provides a flexible and powerful way to load data from a text file, similar to NumPy's loadtxt function in Python. Below is a description of each argument and its default behavior ...

The loadtxt () function is a very convenient way to load numeric data into a NumPy array-of-arrays style matrix. For many machine learning problems, using 32-bit floating point values is preferred to ...