- 实词:名词、动词、形容词、状态词、区别词、数词、量词、代词
- 虚词:副词、介词、连词、助词、拟声词、叹词。
n 名词
nr 人名
# List unique values in a DataFrame column | |
pd.unique(df.column_name.ravel()) | |
# Convert Series datatype to numeric, getting rid of any non-numeric values | |
df['col'] = df['col'].astype(str).convert_objects(convert_numeric=True) | |
# Grab DataFrame rows where column has certain values | |
valuelist = ['value1', 'value2', 'value3'] | |
df = df[df.column.isin(valuelist)] |
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