removing rows dataframe not in another dataframe using two columns

Solutions on MaxInterview for removing rows dataframe not in another dataframe using two columns by the best coders in the world

🥳 we are now live in US 🇺🇸 India 🇮🇳 & Germany 🇩🇪 the results of SDE1 mocks are out 👀
menu-home
home
menu-app
app
menu-help
help
menu-profile
profile
we are a community of more than 2 million smartest coders
registration for
employee referral programs
are now open
get referred to google, amazon, flipkart and more
register now
  
pinned-register now
Search
showing results for - "removing rows dataframe not in another dataframe using two columns"
Han
05 Jan 2017
1import pandas as pd
2
3USERS = pd.DataFrame({'email':['a@g.com','b@g.com','b@g.com','c@g.com','d@g.com']})
4print (USERS)
5     email
60  a@g.com
71  b@g.com
82  b@g.com
93  c@g.com
104  d@g.com
11
12EXCLUDE = pd.DataFrame({'email':['a@g.com','d@g.com']})
13print (EXCLUDE)
14     email
150  a@g.com
161  d@g.com
17
source
Eleonora
07 Apr 2019
1df = pd.merge(df1, df2, how='left', indicator='Exist')
2df['Exist'] = np.where(df.Exist == 'both', True, False)
3df = df[df['Exist']==True].drop(['Exist','z'], axis=1)
4
source
similar questions
remove duplicate columns python dataframehow to remove last 2 rows in a dataframepython remove columns with same name and keep firstremove first 2 rows in pandasremove duplicates based on two columns in dataframedrop multiple columns in pythonpandas drop rows with nan in a particular columndelete multiple dataframes at once in pythondelete rows in a table that are present in another table pandasdrop duplicates pandas first columnremove row if all are the same value pandasconditional row delete pandaspandas drop all columns except certain onesdrop row with condition dataframedelete df rows where column value 3d 0 3a mult col 27spandas drop rows with null in specific columnremove rows from a dataframe that are present in another dataframe 3fdrop every other column pandasremove duplicate row in dfdrop multiple columns pandasdrop unamed columns in pandasreturn a new dataframe with duplicate rows removedpython drop rows with two conditions
queries leading to this page
delete column and equal to another dataframedataframe remove row where multiple columns conditionsi have 2 dataframes in python 2c and i want to remove any rows that dont have the same indexremove rows from one column that is in another dataframehow to delete rows in a dataframe except a fewdataframe remove 2 rowspandas delete colum where two colum value is 0removing rows dataframe not in another dataframe using two columns