Add weights handling (experimental)
[morpheus.git] / reports / accuracy.R
CommitLineData
98b8a5dd 1optimBeta <- function(N, n, K, p, beta, b, link, weights, ncores)
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2{
3 library(morpheus)
4 res <- multiRun(
98b8a5dd 5 list(n=n, p=p, beta=beta, b=b, optargs=list(K=K, link=link, weights=weights)),
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6 list(
7 # morpheus
8 function(fargs) {
9 library(morpheus)
10 K <- fargs$optargs$K
11 M <- computeMoments(fargs$X, fargs$Y)
12 fargs$optargs$M <- M
13 mu <- computeMu(fargs$X, fargs$Y, fargs$optargs)
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14 res2 <- NULL
15 tryCatch({
16 op <- optimParams(K,link,fargs$optargs)
17 x_init <- list(p=rep(1/K,K-1), beta=mu, b=rep(0,K))
18 res2 <- do.call(rbind, op$run(x_init))
19 }, error = function(e) {
20 res2 <- NA
21 })
22 res2
23 }
24# ,
25# # flexmix
26# function(fargs) {
27# library(flexmix)
28# source("../patch_Bettina/FLXMRglm.R")
29# K <- fargs$optargs$K
30# dat <- as.data.frame( cbind(fargs$Y,fargs$X) )
31# res2 <- NULL
32# tryCatch({
33# fm <- flexmix( cbind(V1, 1-V1) ~ .-V1, data=dat, k=K,
34# model = FLXMRglm(family = binomial(link = link)) )
35# p <- mean(fm@posterior[["scaled"]][,1])
36# out <- refit(fm)
37# beta_b <- sapply( seq_len(K), function(i) {
38# as.double( out@components[[1]][[i]][,1] )
39# } )
40# res2 <- rbind(p, beta_b[2:nrow(beta_b),], beta_b[1,])
41# }, error = function(e) {
42# res2 <- NA
43# })
44# res2
45# }
46 ),
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47 prepareArgs = function(fargs, index) {
48 library(morpheus)
49 io = generateSampleIO(fargs$n, fargs$p, fargs$beta, fargs$b, fargs$optargs$link)
50 fargs$X = io$X
51 fargs$Y = io$Y
52 fargs$optargs$K = ncol(fargs$beta)
53 fargs$optargs$M = computeMoments(io$X,io$Y)
54 fargs
55 }, N=N, ncores=ncores, verbose=TRUE)
56 p <- c(p, 1-sum(p))
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57 for (i in 1:length(res)) {
58 for (j in N:1) {
59 if (is.null(res[[i]][[j]]) || is.na(res[[i]][[j]]))
60 res[[i]][[j]] <- NULL
61 }
62 print(paste("Count valid runs for ",i," = ",length(res[[i]]),sep=""))
1d014a86 63 res[[i]] <- alignMatrices(res[[i]], ref=rbind(p,beta,b), ls_mode="exact")
9007ccc1 64 }
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65 res
66}
67
68#model = binomial; default values:
69link = "logit"
70N <- 10
71d <- 2
72n <- 1e4
73ncores <- 1
98b8a5dd 74weights <- c(1,1,1)
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75
76cmd_args <- commandArgs()
77for (arg in cmd_args)
78{
79 if (substr(arg,1,1)!='-') {
80 spl <- strsplit(arg,'=')[[1]]
81 if (spl[1] == "nc") {
82 ncores <- as.integer(spl[2])
83 } else if (spl[1] == "N") {
84 N <- as.integer(spl[2])
85 } else if (spl[1] == "n") {
86 n <- as.integer(spl[2])
87 } else if (spl[1] == "d") {
88 d <- as.integer(spl[2])
89 } else if (spl[1] == "link") {
90 link <- spl[2]
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91 } else if (spl[1] == "weights") {
92 weights <- unlist(strsplit(spl[2], ","))
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93 }
94 }
95}
96
97if (d == 2) {
98 K <- 2
99 p <- .5
100 b <- c(-.2, .5)
101 beta <- matrix( c(1,-2, 3,1), ncol=K )
102} else if (d == 5) {
103 K <- 2
104 p <- .5
105 b <- c(-.2, .5)
106 beta <- matrix( c(1,2,-1,0,3, 2,-3,0,1,0), ncol=K )
107} else if (d == 10) {
108 K <- 3
109 p <- c(.3, .3)
110 b <- c(-.2, 0, .5)
111 beta <- matrix( c(1,2,-1,0,3,4,-1,-3,0,2, 2,-3,0,1,0,-1,-4,3,2,0, -1,1,3,-1,0,0,2,0,1,-2), ncol=K )
112} else if (d == 20) {
113 K <- 3
114 p <- c(.3, .3)
115 b <- c(-.2, 0, .5)
116 beta <- matrix( c(1,2,-1,0,3,4,-1,-3,0,2,2,-3,0,1,0,-1,-4,3,2,0, -1,1,3,-1,0,0,2,0,1,-2,1,2,-1,0,3,4,-1,-3,0,2, 2,-3,0,1,0,-1,-4,3,2,0,1,1,2,2,-2,-2,3,1,0,0), ncol=K )
117}
118
98b8a5dd 119mr <- optimBeta(N, n, K, p, beta, b, link, weights, ncores)
1d014a86 120mr_params <- list("N"=N, "n"=n, "K"=K, "d"=d, "link"=link,
98b8a5dd 121 "p"=c(p,1-sum(p)), "beta"=beta, "b"=b, "weights"=weights)
1d014a86 122
9007ccc1 123save("mr", "mr_params", file=paste("multirun_",n,"_",d,"_",link,".RData",sep=""))