python: check type and ifno of a data frame
df.shape
df.info()
df.dtypes
des = df.describe() # Summary
des_num = df.describe(include=[np.number]) # Include only numerical columns
des_obj = df.describe(include=[np.object]) # Include only string columns
des_obj.transpose()
# Show list of variable / columns in DF
df.columns
# Count number of variables / columns in DF
len(df.columns)
# Count variable
df["myvar"].value_counts()check datatype python
a = 123
b = 'Hello'
print('Is a an instance of str?', isinstance(a, str))
print('Is b an instance of str?', isinstance(b, str))Copyright © 2021 Codeinu
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