sfx | R Documentation |
All the SURVIVAL objects have access to the functions described here
sfx(SURVIVAL, t)
hfx(SURVIVAL, t)
Cum_Hfx(SURVIVAL, t)
invCum_Hfx(SURVIVAL, H)
rsurv(SURVIVAL, n)
rsurvhr(SURVIVAL, hr)
rsurvaft(SURVIVAL, aft)
rsurvah(SURVIVAL, aft, hr)
plot_survival(SURVIVAL, timeto, main)
ggplot_survival_random(SURVIVAL, timeto, subjects, nsim, alpha = 0.1)
compare_survival(SURVIVAL1, SURVIVAL2, timeto, main)
ggplot_survival_hr(SURVIVAL, hr, timeto, subjects, nsim, alpha = 0.1)
ggplot_survival_aft(SURVIVAL, aft, timeto, subjects, nsim, alpha = 0.1)
ggplot_survival_ah(SURVIVAL, aft, hr, timeto, subjects, nsim, alpha = 0.1)
SURVIVAL |
a SURVIVAL object |
t |
Time |
H |
cumulative hazard |
n |
number of observations |
hr |
hazard ratio |
aft |
accelerated failure time |
timeto |
plot the distribution up to timeto |
main |
title of the graph |
subjects |
number of subjects per group to simulate in each simulation |
nsim |
number of simulations |
alpha |
alpha value for the graph |
SURVIVAL1 |
a SURVIVAL object |
SURVIVAL2 |
a SURVIVAL object |
Depending on the function a proportion surviving, hazard, cumulative hazard, inverse of the cumulative hazard, a random draw or a plot
sfx()
: Survival function
hfx()
: Hazard function
Cum_Hfx()
: Cumulative Hazard function
invCum_Hfx()
: Inverse of the Cumulative Hazard function
rsurv()
: Generate random values from the distribution
rsurvhr()
: Generate random values from the distribution under proportional hazard ratios
rsurvaft()
: Generate random values from the distribution under accelerated failure time ratios
rsurvah()
: Generate random values from the distribution under accelerated hazard ratios
plot_survival()
: Plot of the survival functions
ggplot_survival_random()
: ggplot of the simulation of survival times
compare_survival()
: Compare graphically two survival distributions
ggplot_survival_hr()
: ggplot of the simulation of survival times with hazard ratios
ggplot_survival_aft()
: ggplot of the simulation of survival times with accelerated time failures
ggplot_survival_ah()
: ggplot of the simulation of survival times with accelerated hazard
#' # Define a SURVIVAL object
obj <- s_factory(s_weibull, surv = 0.8, t = 2, shape = 1.2)
# Survival, Hazard and Cumulative hazard at time 0.4
sfx(SURVIVAL = obj, t= 0.4)
hfx(SURVIVAL = obj, t = 0.4)
Cum_Hfx(SURVIVAL = obj, t = 0.4)
# Time when the Cumulative hazard is 0.8
invCum_Hfx(SURVIVAL = obj, H = 0.8)
# Draw one random survival time from the distribution
rsurv(SURVIVAL = obj, n = 1)
# Draw one random survival time from the distribution under Proportional
# hazard, Accelerated time failure or Accelerated hazard.
rsurvhr(SURVIVAL = obj, hr = 0.5)
rsurvaft(SURVIVAL = obj, aft = 2)
rsurvah(SURVIVAL = obj, aft = 2, hr = 0.5)
# Plot the survival functions
plot_survival(SURVIVAL = obj, timeto = 2, main = "Example of Weibull distribution" )
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