Man pages for Colossus
"Risk Model Regression and Analysis with Complex Non-Linear Models"

CaseControlRunFully runs a case-control regression model, returning the...
ColossusCoxSurvInterprets basic cox survival formula RHS
ColossusLogitSurvInterprets basic logistic survival formula RHS with no...
ColossusPoisSurvInterprets basic poisson survival formula RHS
CoxRunFully runs a cox or fine-gray regression model, returning the...
CoxRunMultiFully runs a cox or fine-gray regression model with multiple...
Date_ShiftAutomates creating a date difference column
EventAssignmentGeneric background/excess event calculation function
EventAssignment.defaultPredicts how many events are due to baseline vs excess
EventAssignment.poisresPredicts how many events are due to baseline vs excess for a...
EventAssignment.poisresboundPredicts how many events are due to baseline vs excess for a...
Event_Count_Genuses a table, list of categories, and list of event summaries...
Event_Time_Genuses a table, list of categories, list of summaries, list of...
factorizeSplits a parameter into factors
gen_time_depApplies time dependence to parameters
get_formInterprets a Colossus formula and makes necessary changes to...
get_form_jointInterprets a Poisson joint formula and makes necessary...
Joint_Multiple_EventsAutomates creating data for a joint competing risks analysis
LikelihoodBoundGeneric likelihood boundary calculation function
LikelihoodBound.coxresCalculates the likelihood boundary for a completed cox model
LikelihoodBound.defaultGeneric likelihood boundary calculation function, default...
LikelihoodBound.poisresCalculates the likelihood boundary for a completed Poisson...
Likelihood_Ratio_TestDefines the likelihood ratio test
Linked_Dose_FormulaCalculates Full Parameter list for Special Dose Formula
Linked_Lin_Exp_ParaCalculates The Additional Parameter For a linear-exponential...
LogisticRunFully runs a logistic regression model, returning the model...
OMP_CheckChecks the OMP flag
plot.coxresPerforms Cox Proportional Hazard model plots
plotMartingaleGeneric Martingale Residual Plotting function
plotMartingale.coxresPerforms Cox Proportional Hazard model martingale residual...
plotMartingale.defaultGeneric Martingale Residual Plotting function, default option
plotRiskGeneric Risk Plotting function
plotRisk.coxresPerforms Cox Proportional Hazard model hazard ratio plots
plotRisk.defaultGeneric Risk Plotting function, default option
plotSchoenfeldGeneric Schoenfeld Residual Plotting function
plotSchoenfeld.coxresPerforms Cox Proportional Hazard model schoenfeld residual...
plotSchoenfeld.defaultGeneric Schoenfeld Residual Plotting function, default option
plotSurvivalGeneric Survival Plotting function
plotSurvival.coxresPerforms Cox Proportional Hazard model survival plots
plotSurvival.defaultGeneric Survival Plotting function, default option
PoisRunFully runs a poisson regression model, returning the model...
PoisRunJointFully runs a joint poisson regression model, returning the...
PoisRunMultiFully runs a poisson regression model with multiple column...
print.caseconresPrints a case-control regression output clearly
print.coxresPrints a cox regression output clearly
print.coxresboundPrints a cox likelihood boundary regression output clearly
print.logitresPrints a logistic regression output clearly
print.poisresPrints a poisson regression output clearly
print.poisresboundPrints a poisson likelihood boundary regression output...
RelativeRiskGeneric relative risk calculation function
RelativeRisk.coxresCalculates hazard ratios for a reference vector
RelativeRisk.defaultGeneric relative risk calculation function, default option
Replace_MissingAutomatically assigns missing values in listed columns
ResidualGeneric Residual calculation function
Residual.defaultGeneric Residual calculation function, default option
Residual.poisresCalculates the Residuals for a completed poisson model
System_VersionChecks OS, compilers, and OMP
Time_SinceAutomates creating a date since a reference column
Colossus documentation built on Feb. 20, 2026, 5:10 p.m.