Statistics: Survival Analysis: Weibull Fit
Perform a Weibull fit on survival data
This feature is for OriginPro only.
1. weibullfit irng:=(1,2) censor:=0 2. weibullfit irng:=(1,2) censor:=0 conf:=99 rt:=<new name:= Weibull> 3. weibullfit irng:=(1,2) censor:=0 xmin:=1E-4 xmax:=200;
Please refer to the page for additional option switches when accessing the x-function from script
Input
Range
Specify input data range, including time data range and censor data range.
vector
Specify the censored value.
int
Specify the estimation method. Two methods are supported:
double
Text box to enter a confidence level to be used when computing errors for the survival function and upper and lower limits of the quartile estimates.
Select this check box to output covariance matrix. It is only accessible when Estimation Method = Least Squares.
Specify whether to output a Weibull probability plot in the report sheet.
Treednode
Available only when Probability Plot is selected. Select this checkbox to add percentile lines to P-P plot. See details below.
Select this check box to export survival plot.
Select this check box to export Hazard plot
For information on calculation of Auto value, see the Origin Help File.
Output
ReportTree
Specify the report worksheet destination
ReportData
Specify the destination of the plot data.
This X-Function is used to perform Weibull fit on survival data.
The Percentile Line tree specifies percentile line options.
Syntax: percentile.Treenode:=<value>
For more information,please refer to our User Guide.
kaplanmeier, phm_Cox