When you merge two indexed dataframes on certain values using 'outer' merge, python/pandas automatically adds Null (NaN) values to the fields it could not match
java-money
getuikit
systemtime
laravel-jwt
pen-tablet
fla
basename
feh
imap-open
gwtmockito
yahoo-api
brute-force
buildkite
radians
torchserve
cuda-streams
file-transfer
project-structure
protobuf.js
pytest-order
htmldecode
validationrule
appauth
virus-definitions
redefinition
excel-indirect
icon-fonts
pause
automation-null
pivot-grid