我正在尝试通过以下方式聚集超过200k个点:
km = KMeans(n_clusters=5)
km.fit_transform(ends)
但我得到以下错误: km.fit_transform(ends)
所以矩阵的维数是200kX2
File "/Users/fleh/anaconda/lib/python2.7/site-packages/sklearn/cluster/k_means_.py", line 814, in fit_transform
X = self._check_fit_data(X)
...
ValueError: Input co
在LINQ中可以按多个组进行分组吗?
例如,我有这个查询(显然是不完整的)
from lxr in LOCATION_XREFs
join l in LOCATIONs on lxr.LOCATION_SKEY equals l.LOCATION_SKEY
join c in COMPANies on l.COMPANY_SKEY equals c.COMPANY_SKEY
join prlx in PeopleRoleLocationXrefs on lxr.LOCATION_XREF_SKEY equals prlx.LOCATION_XREF_SKEY
j