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
emqx
kendo-react-ui
referential-integrity
couch-cms
central
ios10
rubygems
samba
instruction-encoding
criteria-api
svg-edit
socrata
mobile
pygame2
continuous-aggregates
svelte
constexpr
postgres.app
ldc
pymunk
shared-objects
css-filters
abbyy
jpgraph
xhtml
random-data
operand
d2rq
agent-based-modeling
relative-import