pandas en python
If you use Anaconda then it is preinstalled
otherwise: pip install pandas
import pandas as pd
pd.__version__
pandas
#for dropping a column in a dataframe
df = df.drop(['PassengerId'], axis = 1)
#for selecting all columns except one
df.iloc[:, df.columns != "Survived"]
#for checking nan values is a column
df['your column name'].isnull()
marco de datos de pandas
>>> df2 = pd.DataFrame(np.array([[23, 99, 78], [65, 95, 90], [90, 98, 96]]),
... columns=['krish', 'ishwar', 'raj'])
>>> df2
a b c
0 1 2 3
1 4 5 6
2 7 8 9
pandas
pandas are cute animals i love pandas!!!