我正在对一个pyspark dataframe执行一个简单的过滤操作,它有一个minhash jaccard相似性列。minhash_sig = '123','345‘ minhash_sig = [str(x) for x in minhash.signature(doc)]
# columns are id, and minhash_arr
DATEDIFF('day', first_action.date, returning_action.date) - 1 as diff, FROM (select cast(_time as date) as date, minhashas user_id_set from events group by 1) as f
嗨,我正在和python 3合作,我已经面对这个问题很长一段时间了,我似乎搞不明白这一点。array_one = np.array(['alice', 'in', 'a', 'wonder', 'land', 'alice in', 'in a', 'a wonder', 'wonder land', 'alice in a', 'in a wonder', 'a w