<p>我需要使列表中的值正规化以产生(累积的)概率分布,但目前我只得到0。在</p>
<p>我要做的是:</p>
<pre><code>tests = []
#some code to populate tests which simulates
count = [x[0] for x in tests]
found = [x[1] for x in tests]
found.sort()
num = Counter(found)
freqs = [x for x in num.values()]
cumsum = [sum(item for item in freqs[0:rank+1]) for rank in xrange(len(freqs))]
normcumsum = [float(x/numtests) for x in cumsum]
</code></pre>
<p>目前累计和标准累计分别为:</p>
^{pr2}$
<p>如何使normcumsum包含cumsum/100?在</p>
<p>N>;B是的,这些变量名有点愚蠢。在</p>