File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 680, in runfile
execfile(filename, namespace)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\spyderlib\widgets\externalshell\sitecustomize.py", line 71, in execfile
exec(compile(scripttext, filename, 'exec'), glob, loc)
File "D:/pywork/Marking/DataProcessing.py", line 113, in <module>
df = pd.DataFrame(data, columns=colNames)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\frame.py", line 258, in __init__
dtype=dtype)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\frame.py", line 4627, in _arrays_to_mgr
return create_block_manager_from_arrays(arrays, arr_names, axes)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\internals.py", line 3539, in create_block_manager_from_arrays
blocks = form_blocks(arrays, names, axes)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\internals.py", line 3614, in form_blocks
int_blocks = _multi_blockify(int_items)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\internals.py", line 3681, in _multi_blockify
list(tup_block), dtype)
File "D:\WinPython-32bit-2.7.9.3\python-2.7.9\lib\site-packages\pandas\core\internals.py", line 3725, in _stack_arrays
stacked = np.empty(shape, dtype=dtype)
MemoryError
使用pandas.DataFrame读175MB数据（111W行 X 38列），程序执行过程中报如上错误。
是读入错误还是计算中错误？
如果是后者，可以试试读入后 del 一些无用的 col，再计算
百万行我试过，但这么多列没试过