Last updated: 2024-02-20

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Knit directory: survival-susie/

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pip_calibration <- function(pips, is_effect){
  ts = seq(0, 0.9, by = 0.1)
  res = matrix(NA, ncol = 3, nrow = length(ts))
  colnames(res) = c("range.start", "expected", "empirical")
  for (i in 1:length(ts)){
    lo = ts[i]
    up = lo + 0.1
    indx = which(pips >= lo & pips <= up)
    res[i, 1] = lo
    res[i, 2] = mean(pips[indx])
    res[i, 3] = sum(is_effect[indx])/ length(indx)
  }
  # when there is no pip in the certain range
  res2 = na.omit(res)
  return(res2)
}

plot_calibration <- function(dat.calibration, method, num_effect){
  plot(dat.calibration[,2], dat.calibration[,3], xlim = c(0, 1), ylim = c(0, 1),
       main= paste0("Calibration: ", method, ", effect number= ", num_effect), xlab="Expected", ylab="Observed")
  abline(a = 0, b = 1, col = "red")
}
susie = readRDS("/project2/mstephens/yunqiyang/surv-susie/dsc202401/susie.rds")
survsvb = readRDS("/project2/mstephens/yunqiyang/surv-susie/dsc202401/survsvb.rds")
bvsnlp = readRDS("/project2/mstephens/yunqiyang/surv-susie/dsc202401/bvsnlp.rds")
rss = readRDS("/project2/mstephens/yunqiyang/surv-susie/dsc202401/susie_rss.rds")

1. Use the real correlation of SNPs

par(mfrow = c(3,4))
for (num in 1:3){
  indx = which(bvsnlp$simulate.cor_type == "real" & bvsnlp$simulate.num_effect == num)
  is_effect = unlist(lapply(indx, function(x) bvsnlp$simulate.is_effect[[x]]))
  pip.susie = unlist(lapply(indx, function(x) susie$susie.pip[[x]]))
  pip.survsvb = unlist(lapply(indx, function(x) survsvb$svb.pip[[x]]))
  pip.bvsnlp = unlist(lapply(indx, function(x) bvsnlp$bvsnlp.pip[[x]]))
  pip.rss = unlist(lapply(indx, function(x) bvsnlp$bvsnlp.pip[[x]]))
  
  # Calibration plot for pip.susie
  calibration.susie = pip_calibration(pip.susie, is_effect)
  plot_calibration(calibration.susie, method = "susie", num_effect = num)
  
  # Calibration plot for pip.svb
  calibration.survsvb = pip_calibration(pip.survsvb, is_effect)
  plot_calibration(calibration.survsvb, method = "svb", num_effect = num)
  
  # Calibration plot for pip.bvsnlp
  calibration.bvsnlp = pip_calibration(pip.bvsnlp, is_effect)
  plot_calibration(calibration.bvsnlp, method = "bvsnlp", num_effect = num)
  
  # Calibration plot for pip.rss
  calibration.rss = pip_calibration(pip.rss, is_effect)
  plot_calibration(calibration.rss, method = "susie rss", num_effect = num)
  
}

Version Author Date
2bce02b yunqi yang 2024-02-20
5b2278c yunqi yang 2024-02-20

2. Near independent SNPs

par(mfrow = c(3,4))
for (num in 1:3){
  indx = which(bvsnlp$simulate.cor_type == "independent" & bvsnlp$simulate.num_effect == num)
  is_effect = unlist(lapply(indx, function(x) bvsnlp$simulate.is_effect[[x]]))
  pip.susie = unlist(lapply(indx, function(x) susie$susie.pip[[x]]))
  pip.survsvb = unlist(lapply(indx, function(x) survsvb$svb.pip[[x]]))
  pip.bvsnlp = unlist(lapply(indx, function(x) bvsnlp$bvsnlp.pip[[x]]))
  pip.rss = unlist(lapply(indx, function(x) bvsnlp$bvsnlp.pip[[x]]))
  
  # Calibration plot for pip.susie
  calibration.susie = pip_calibration(pip.susie, is_effect)
  plot_calibration(calibration.susie, method = "susie", num_effect = num)
  
  # Calibration plot for pip.svb
  calibration.survsvb = pip_calibration(pip.survsvb, is_effect)
  plot_calibration(calibration.survsvb, method = "svb", num_effect = num)
  
  # Calibration plot for pip.bvsnlp
  calibration.bvsnlp = pip_calibration(pip.bvsnlp, is_effect)
  plot_calibration(calibration.bvsnlp, method = "bvsnlp", num_effect = num)
  
  # Calibration plot for pip.rss
  calibration.rss = pip_calibration(pip.rss, is_effect)
  plot_calibration(calibration.rss, method = "susie rss", num_effect = num)
  
}


sessionInfo()
R version 4.2.0 (2022-04-22)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: CentOS Linux 7 (Core)

Matrix products: default
BLAS/LAPACK: /software/openblas-0.3.13-el7-x86_64/lib/libopenblas_haswellp-r0.3.13.so

locale:
 [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C         LC_TIME=C           
 [4] LC_COLLATE=C         LC_MONETARY=C        LC_MESSAGES=C       
 [7] LC_PAPER=C           LC_NAME=C            LC_ADDRESS=C        
[10] LC_TELEPHONE=C       LC_MEASUREMENT=C     LC_IDENTIFICATION=C 

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] workflowr_1.7.0

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.8.3     highr_0.9        bslib_0.3.1      compiler_4.2.0  
 [5] pillar_1.7.0     later_1.3.0      git2r_0.30.1     jquerylib_0.1.4 
 [9] tools_4.2.0      getPass_0.2-2    digest_0.6.29    jsonlite_1.8.0  
[13] evaluate_0.15    tibble_3.1.7     lifecycle_1.0.1  pkgconfig_2.0.3 
[17] rlang_1.0.2      cli_3.3.0        rstudioapi_0.13  yaml_2.3.5      
[21] xfun_0.30        fastmap_1.1.0    httr_1.4.3       stringr_1.4.0   
[25] knitr_1.39       sass_0.4.1       fs_1.5.2         vctrs_0.4.1     
[29] rprojroot_2.0.3  glue_1.6.2       R6_2.5.1         processx_3.8.0  
[33] fansi_1.0.3      rmarkdown_2.14   callr_3.7.3      magrittr_2.0.3  
[37] whisker_0.4      ps_1.7.0         promises_1.2.0.1 htmltools_0.5.2 
[41] ellipsis_0.3.2   httpuv_1.6.5     utf8_1.2.2       stringi_1.7.6   
[45] crayon_1.5.1