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()
