当我尝试导入h2o时,我被告知该包不存在.当我尝试安装它时,它告诉我它已经存在.我试过从我的电脑上擦掉它并重新安装无济于事.在这一点上,我所能想到的只是一些环境变量.
(C:\Users\Lanier\Anaconda2) C:\Users\Lanier>python
Python 2.7.12 |Anaconda custom (64-bit)| (default, Jun 29 2016, 11:07:13) [MSC v.1500 64 bit (AMD64)] on win32
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>>> import h2o
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named h2o
>>> quit()
(C:\Users\Lanier\Anaconda2) C:\Users\Lanier>conda install h2o
Fetching package metadata ...........
Solving package specifications: .
# All requested packages …我试图找到答案,但我经常失败.我有一个带有一列字符串的数据框.我想计算列的每个条目中的字符数,并用计数替换字符串列.
data[,29]=apply(data[,29],nchar())
Out[2]: Error in match.fun(FUN): argument "FUN" is missing, with no default
Error in match.fun(FUN): argument "FUN" is missing, with no default