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
xregexp
altv
rt
libmproxy
amplify
html-encode
uicollectionviewdelegate
thumbor
unity-ui
repr
numberformatter
tkcalendar
boomi
compose-desktop
screen-capture
custom-field-type
boost-multiprecision
email-parsing
dji-sdk
datefinder
snorkel
gruntjs
roberta
cancel-button
sliver-grid
svelte-testing-library
ims-db
spring-initializr
deferred-loading
bascom
