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Model fitting

ncvfit()
Direct interface for nonconvex penalized regression (non-pathwise)
ncvreg()
Fit an MCP- or SCAD-penalized regression path
ncvsurv()
Fit an MCP- or SCAD-penalized survival model
std()
Standardizes a design matrix

Cross-validation

assign_fold()
Assign folds for cross-validation
cv.ncvreg() cv.ncvsurv()
Cross-validation for ncvreg/ncvsurv
plot(<cv.ncvreg>)
Plots the cross-validation curve from a cv.ncvreg object
summary(<cv.ncvreg>) print(<summary.cv.ncvreg>)
Summarizing cross-validation-based inference
AUC(<cv.ncvsurv>)
AUC for cv.ncvsurv objects

Plotting and extracting model features

logLik(<ncvreg>) logLik(<ncvsurv>)
Extract Log-Likelihood
predict(<cv.ncvreg>) coef(<cv.ncvreg>) predict(<cv.ncvsurv>) predict(<ncvreg>) coef(<ncvreg>)
Model predictions based on a fitted ncvreg object.
predict(<ncvsurv>)
Model predictions based on a fitted ncvsurv object.
plot(<ncvreg>)
Plot coefficients from a ncvreg object
plot(<ncvsurv.func>)
Plot survival curve for ncvsurv model
residuals(<ncvreg>)
Extract residuals from a ncvreg or ncvsurv fit

Inference

local_mfdr()
Estimate local mFDR for all features
mfdr()
Marginal false discovery rates
plot(<mfdr>)
Plot marginal false discovery rate curves
perm.ncvreg()
Permutation fitting for ncvreg
permres()
Permute residuals for a fitted ncvreg model
summary(<ncvreg>) print(<summary.ncvreg>)
Summary method for ncvreg objects
boot_ncvreg()
Hybrid Bootstrap Confidence Intervals

Data sets

Heart
Risk factors associated with heart disease
Lung
VA lung cancer data set
Prostate
Factors associated with prostate specific antigen