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python Programming Glossary: f8numpy save an array of different types to a text file http://stackoverflow.com/questions/15881817/numpy-save-an-array-of-different-types-to-a-text-file array a numpy.array 1 2.0 'buckle_my_shoe' dtype 'i4 f8 a14' array 1 2.0 'buckle_my_shoe' dtype 'f0' ' i4' 'f1' ' f8'.. a14' array 1 2.0 'buckle_my_shoe' dtype 'f0' ' i4' 'f1' ' f8' 'f2' 'S14' and I want to save it to a single space or tab delimited.. 1 2.0 'buckle_my_shoe' 3 4.0 'lock_the_door' dtype 'i4 f8 a14' with open 'test.txt' 'w' as f f.write ' '.join str item..
Remove duplicate rows from a large file in Python http://stackoverflow.com/questions/3452832/remove-duplicate-rows-from-a-large-file-in-python f1 text f2 text f3 text f4 text f5 text f6 text f7 text f8 text f9 text f10 text f11 text f12 text f13 text f14 text f15.. text f14 text f15 text primary key f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12 f13 f14 f15 conn.commit #simplified pseudo code..
Converting a 2D numpy array to a structured array http://stackoverflow.com/questions/3622850/converting-a-2d-numpy-array-to-a-structured-array numpy.array Hello 2.5 3 World 3.6 2 dtype Col1 S8 Col2 f8 Col3 i8 print newarray 'Hello' 2.5 3L 'World' 3.6000000000000001.. 2L What I've tried newarray myarray.astype Col1 S8 Col2 f8 Col3 i8 print newarray 'Hello' 0.0 0L '2.5' 0.0 0L '3' 0.0 0L.. '2' 0.0 0L newarray numpy.array myarray dtype Col1 S8 Col2 f8 Col3 i8 print newarray 'Hello' 0.0 0L '2.5' 0.0 0L '3' 0.0 0L..
Convert structured array to regular NumPy array http://stackoverflow.com/questions/5957380/convert-structured-array-to-regular-numpy-array structured array x np.array 1.0 4.0 2.0 1.0 dtype 'f0' ' f8' 'f1' ' f8' then I want to convert it to array 1. 4. 2. 1. I.. array x np.array 1.0 4.0 2.0 1.0 dtype 'f0' ' f8' 'f1' ' f8' then I want to convert it to array 1. 4. 2. 1. I tried asarray.. didn't work. UPDATE solved float32 f4 instead of float64 f8 OK I tried the solution of Robert x.view np.float64 .reshape..
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