Feilong Ma feilong

feilong / pip_tricks

Last active September 19, 2016 18:34

	# http://stackoverflow.com/a/2916320/3397171
	# http://stackoverflow.com/a/8256424/3397171
	pip install --install-option="--prefix=$PREFIX_PATH" git+git://github.com/PyMVPA/PyMVPA.git@somebranch

	PYTHONPATH=$PREFIX_PATH/lib/python2.7/site-packages/ python some_script.py

feilong / Discovery cheatsheet

Last active September 1, 2016 01:40

	module avail
	module list
	module initadd python/2.7.6
	module load python/2.7.6

	nodestat
	qshow
	showq -u someone # In case your job is blocked.
	myjobs

feilong / math_optimize_cheatsheet.py

Created July 23, 2015 17:56

Mathematical optimization w/ Python

	#!/usr/bin/env python
	import numpy as np
	from scipy.optimize import minimize

	def cost_function(x):
	return (x[0]-3)2 + (x[1]-2)2

	x0 = [0, 0] # initial guess
	method = 'nelder-mead'
	res = minimize(cost_function, x0, method=method,

feilong / PyMVPA cheatsheet

Last active January 23, 2021 16:43

	#!/usr/bin/env python

	"""
	Enable debugging from commond line:
	MVPA_DEBUG_METRICS=pid,asctime,reltime MVPA_DEBUG=SLC.* python some_script.py
	"""

	## kNN
	kNN(k=2, dfx=<function squared_euclidean_distance>, voting='weighted')
	"""