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####**********************************************************************
####**********************************************************************
####
#### SPIKE AND SLAB 1.1.6
####
#### This program is free software; you can redistribute it and/or
#### modify it under the terms of the GNU General Public License
#### as published by the Free Software Foundation; either version 2
#### of the License, or (at your option) any later version.
####
#### This program is distributed in the hope that it will be useful,
#### but WITHOUT ANY WARRANTY; without even the implied warranty of
#### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#### GNU General Public License for more details.
####
#### You should have received a copy of the GNU General Public
#### License along with this program; if not, write to the Free
#### Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#### Boston, MA 02110-1301, USA.
####
#### ----------------------------------------------------------------
#### Written and Developed by:
#### ----------------------------------------------------------------
#### Hemant Ishwaran, Ph.D.
#### Director of Statistical Methodology
#### Professor, Division of Biostatistics
#### Clinical Research Building, Room 1058
#### 1120 NW 14th Street
#### University of Miami, Miami FL 33136
####
#### email: hemant.ishwaran@gmail.com
#### URL: https://ishwaran.org/
#### ----------------------------------------------------------------
#### Udaya B. Kogalur, Ph.D.
#### Principal, Kogalur & Company, Inc.
#### 5425 Nestleway Drive, Suite L
#### Clemmons, NC 27012
####
#### email: ubk@kogalur.com
#### --------------------------------------------------------------
####
####**********************************************************************
print.spikeslab <- function(x, ...)
{
### Check that object is compatible
if (!inherits(x, "spikeslab"))
stop("This function only works for objects of class `spikeslab'")
###check whether object inherits mixing type
###make suitable alterations to merge mixing results
if (sum(inherits(x, c("spikeslab", "mixing"), TRUE) == c(1, 2)) == 2) {
o.r <- order(abs(x$spikeslab.obj$bma), decreasing = TRUE)
grr.mix <- x$grr.mix[o.r]
grr.mix.scale <- x$grr.mix.scale[o.r]
new.summary <- cbind(x$spikeslab.obj$summary, grr.mix, grr.mix.scale)
new.summary <- new.summary[, c(1, 2, 5, 3, 4, 6)]
x <- x$spikeslab.obj
x$summary <- new.summary
}
### extract summary data
verbose <- x$verbose
### --------------------------------------------------------------
### Terminal Output
### --------------------------------------------------------------
if (sum(inherits(x, c("spikeslab", "cv"), TRUE) == c(1, 2)) != 2) {
### spike slab basic output
cat("-------------------------------------------------------------------","\n")
cat("Variable selection method :",verbose[[1]],"\n")
cat("Big p small n :",verbose[[2]],"\n")
cat("Screen variables :",verbose[[3]],"\n")
cat("Fast processing :",verbose[[4]],"\n")
cat("Sample size :",verbose[[5]],"\n")
cat("No. predictors :",verbose[[6]],"\n")
cat("No. burn-in values :",verbose[[7]],"\n")
cat("No. sampled values :",verbose[[8]],"\n")
cat("Estimated mse :",verbose[[9]],"\n")
cat("Model size :",verbose[[10]],"\n")
cat("\n\n")
cat("---> Top variables:\n")
print(round(x$summary[x$summary[, 2] != 0, ], 3))
}
if (sum(inherits(x, c("spikeslab", "cv"), TRUE) == c(1, 2)) == 2) {
### cv output
cat("-------------------------------------------------------------------","\n")
cat("Variable selection method :",verbose[[1]],"\n")
cat("Big p small n :",verbose[[2]],"\n")
cat("Screen variables :",verbose[[3]],"\n")
cat("Fast processing :",verbose[[4]],"\n")
cat("Sample size :",verbose[[5]],"\n")
cat("No. predictors :",verbose[[6]],"\n")
cat("No. burn-in values :",verbose[[7]],"\n")
cat("No. sampled values :",verbose[[8]],"\n")
cat("K-fold :",verbose[[9]],"\n")
cat("CV mean-squared error :",verbose[[10]],"\n")
cat("Model size :",verbose[[11]],"\n")
cat("\n\nTop variables in terms of stability:\n")
print(head(round(x$stability, 3), verbose[[12]]))
}
cat("-------------------------------------------------------------------","\n")
}
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