def __init__(self, cost=0.0015):
        self.cost = float(cost)
Determine the shape of a Agilent/Varian file from the procpar dictionary
dataset/ETHPy150Open quantopian/zipline/zipline/finance/commission.py/PerDollar.__init__--crossover with--dataset/ETHPy150Open jjhelmus/nmrglue/nmrglue/fileio/varian.py/find_shape