数据挖掘平台Woody工具里，执行什么命令，列出已安装的 包？

A. UPDATE SET BIRTH WITH B0B0-BIRTH

B. REPLACE BIRTH WITH B0B0-BIRTH

C. UPDATE CUST_INFO SET BIRTH=B0B0- BIRTH

D. UPDATE CUST_INFO BIRTH WITH B0B0-BIRTH

A. pd.to_csv()

B. pd.read_table()

C. pd.read_csv()

D. 以上都不是

A. f(x) = 1/(1+exp(-x))

B. f(x) = max(0, x)

C. f(x) = max(0, - x)

D. f(x) = exp(- x)/(1+exp(-x))

A. Join

B. GroupByKey

C. TopN

D. ReduceByKey

A. MapReduce

B. Spark

C. Python

D. R