Description Usage Arguments Author(s) Examples
plot_solutionpaths
Function for plotting results of the solutionpaths function
1 | plot_solutionpaths(results)
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results |
Results from the solutionpaths function |
Jocelyn T. Chi
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | # Generate a test matrix
seed <- 12345
m <- 100
n <- 100
r <- 3
T <- testmatrix(m,n,r,seed=seed)
# Add some noise to the test matrix
E <- 0.1*matrix(rnorm(m*n),m,n)
A <- T + E
# Obtain a vector of unobserved entries
temp <- makeOmega(m,n,percent=0.5)
omega <- temp$omega
# Remove unobserved entries from test matrix
X <- A
X[omega] <- NA
# Make initial model matrix Z and find initial lambda
Z <- matrix(0,m,n)
lambda.start <- init.lambda(X,omega)
lambdaseq_length=20
tol <- 1e-2
ans <- solutionpaths(A,X,Z,omega,lambda.start,tol=tol,
liveupdates=FALSE,lambdaseq_length=lambdaseq_length)
# Plot using results from solutionpaths function
plot_solutionpaths(ans)
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