I'm using the survminer package to try to generate survival and hazard function graphs for a longitudinal student-level dataset that has 5 subgroups of interest
tdataset
fragment-identifier
password-less
metrics
character-properties
symfony-ratelimiter
heterogeneous-list
keystore-access
bengali
magento2.2
iverilog
matchmedia
azure-storage-queues
mo-cap
pyarmor
sdl-2
laravel-jwt
channel-api
zynq
android-dialog
usersnap
llc
lcom
ztree
apache-pig
gprs
android-graphview
dia-sdk
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wix