Top "Survival-analysis" questions

Survival analysis is the statistics of censored time to event data, to which standard regression and classification techniques generally do not apply, due to the uncertain group memberships of the observations.

How to plot the survival curve generated by survreg (package survival of R)?

I’m trying to fit and plot a Weibull model to a survival data. The data has just one covariate, …

r plot survival-analysis weibull
R neuralNet: "non-conformable arguments"

Argh! I keep getting the following error when attempting to compute with my neural network: > net.compute <- …

r machine-learning artificial-intelligence neural-network survival-analysis
R coxph() warning: Loglik converged before variable

I'm having some trouble using coxph(). I've two categorical variables: Sex and Probable Cause, that I want to use as …

r survival-analysis categorical-data cox-regression
ggadjustedcurves error: Must use a vector in '[', not an object of class matrix

ggadjustedcurves error: Must use a vector in '[', not an object of class matrix I call rlang::last_trace() …

r survival-analysis
Plot survival and hazard function of survreg using curve()

I have the following survreg model: Call: survreg(formula = Surv(time = (ev.time), event = ev) ~ age, data = my.data, dist = "…

r plot survival-analysis weibull parametric-equations
R survival package; plotting log(-log(survival)) against log(time)

I'm trying to use the R survival package, to produce a plot of log(-log(survival)) against log(time) (This …

r survival-analysis
coxph() X matrix deemed to be singular;

I'm having some trouble using coxph(). I've two categorical variables:"tecnologia" and "pais", and I want to evaluate the possible …

r survival-analysis cox-regression
neuralnet prediction returns the same values for all predictions

I'm trying to build a neural net with the neuralnet package and I'm having some trouble with it. I've been …

r machine-learning artificial-intelligence neural-network survival-analysis
Plotting survival curves in R with ggplot2

I've been looking for a solution to plot survival curves using ggplot2. I've found some nice examples, but they do …

r ggplot2 survival-analysis
How to extract values from survfit object

I've created this model: model <- survfit(Surv(time,status)~c$sex) model and the output is: Call: survfit(…

r extract survival-analysis