Last updated: 2021-08-27

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Knit directory: BreedingSchemeOpt/

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Previously

AlphaSimHlpR first steps: Installation and quickly running the AlphaSimHlpR tutorial example.

Simulation with a burn-in period

Generate a baseline population. As this is an example, I won’t use empirical inputs. Ignore costs for now.

  • Initialized with the provided “small” example control files. Made some minor manual changes, which I will print below.
  • See the files BaselineControlFile.txt and BaselinePopulationFile.txt in this repository.

I want to set-up “burn-in” generations of phenotypic selection. See if I can work that in AlphaSimHlpR.

SPOILER ALERT: Not quite working yet. More work needed.

The first step is to read in the control files defining the baseline breeding program and other breeding scheme parameters in a list bsp.

The tutorial example repeatedly runs the runBreedingScheme() function, which in turn depends on specified functions: initializeFunc=initFuncADChk, productPipeline=prodPipeFncChk, populationImprovement=popImprov1Cyc.

selCritPipeAdv and selCritPopImprov are set to selCritIID.

Now, to continue, we can’t use the runBreedingScheme() function because it will re-run the initializeFunc() and subsequently runMacs2(), which overwrites our founder haplotypes.

Make my own function: runBreedingScheme_wBurnIn().

Specify number of burn-in and post-burn in cycles.

Also let’s uses two separate bsp objects, one for before, another for after. Use with caution.

rm(list=ls()); gc()
          used (Mb) gc trigger (Mb) limit (Mb) max used (Mb)
Ncells  720741 38.5    1347232   72         NA  1347232 72.0
Vcells 1339776 10.3    8388608   64      65536  1971303 15.1
library(tidyverse); library(magrittr); 
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ──
✓ ggplot2 3.3.5     ✓ purrr   0.3.4
✓ tibble  3.1.3     ✓ dplyr   1.0.7
✓ tidyr   1.1.3     ✓ stringr 1.4.0
✓ readr   2.0.1     ✓ forcats 0.5.1
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()

Attaching package: 'magrittr'
The following object is masked from 'package:purrr':

    set_names
The following object is masked from 'package:tidyr':

    extract
suppressMessages(library(AlphaSimHlpR))
bsp <- specifyPopulation(ctrlFileName="data/BaselinePopulationFile.txt")
bsp <- specifyPipeline(bsp, ctrlFileName="data/BaselineControlFile.txt")
runBreedingScheme_wBurnIn <- function(replication=NULL, 
                                      nBurnInCycles=10,nPostBurnInCycles=10,
                                      bspBurnIn,bspPostBurnIn,
                                      initializeFunc, 
                                      productPipeline, 
                                      populationImprovement){
  
  cat("******", replication, "\n")
  
  # This initiates the founding population 
  initList <- initializeFunc(bspBurnIn)
  SP <- initList$SP
  bspBurnIn <- initList$bsp
  records <- initList$records
  
  # Burn-in cycles
  for (cycle in 1:nBurnInCycles){
    cat(cycle, " ")
    records <- productPipeline(records, bspBurnIn, SP)
    records <- populationImprovement(records, bspBurnIn, SP)
  }
  # records <- AlphaSimHlpR:::lastCycStgOut(records, bspPostBurnIn, SP)

  cat("\n")
  cat("Burn-in Cycles")
  cat("\n")
  # Post burn-in cycles
  
  for (cycle in (nBurnInCycles+1):(nBurnInCycles+nPostBurnInCycles)){
    cat(cycle, " ")
    records <- productPipeline(records, bspPostBurnIn, SP)
    records <- populationImprovement(records, bspPostBurnIn, SP)
  }
  cat("\n")
  # Finalize the stageOutputs
  records <- AlphaSimHlpR:::lastCycStgOut(records, bspPostBurnIn, SP)
  
  return(list(records=records,
              bspBurnIn=bspBurnIn,
              bspPostBurnIn=bspPostBurnIn,
              SP=SP))
}

For burn-in, using phenotypic selection, so the bsp already created.

For post burn-in, change selCritPopImprov to selCritGRM, but ignore selCritPipeAdv for now.

bspBurnIn<-bsp
bspPostBurnIn<-bspBurnIn
bspPostBurnIn[["selCritPopImprov"]] <- selCritGRM

test_sim<-runBreedingScheme_wBurnIn(replication = 1, 
                                    nBurnInCycles=2,nPostBurnInCycles=2,
                                    bspBurnIn=bspBurnIn,
                                    bspPostBurnIn=bspPostBurnIn,
                                    initializeFunc=initializeScheme, 
                                    productPipeline=productPipeline, 
                                    populationImprovement=popImprov1Cyc)

Unfortunately, haven’t gotten this to work yet. It seems likely more tweaking to the package is necessary.

I traced the problem at least as far as the populationImprovement() function in the post-burn-in phase and the makeGRM().

Simulation - no burn-in

Set-up an experiment. No burn-in simulations.

# rm(list=ls()); gc()
# library(tidyverse); library(magrittr); 
# suppressMessages(library(AlphaSimHlpR))
# bsp <- specifyPopulation(ctrlFileName="BaselinePopulationFile.txt")
# bsp <- specifyPipeline(bsp, ctrlFileName="BaselineControlFile.txt")
# test<-runBreedingScheme(replication = 1, nCycles = 5, # just 5 for now 
#                         initializeFunc=initializeScheme, 
#                         productPipeline=prodPipeFncChk, 
#                         populationImprovement=popImprov1Cyc, bsp)
# 
# test_burnin$records$stageOutputs %>% ggplot(.,aes(x=year,y=genValMean, color=stage)) + geom_line()
# test_burnin$records

sessionInfo()
R version 4.1.0 (2021-05-18)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 10.16

Matrix products: default
BLAS:   /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRblas.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

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

other attached packages:
 [1] AlphaSimHlpR_0.2.1 AlphaSimR_1.0.3    R6_2.5.0           magrittr_2.0.1    
 [5] forcats_0.5.1      stringr_1.4.0      dplyr_1.0.7        purrr_0.3.4       
 [9] readr_2.0.1        tidyr_1.1.3        tibble_3.1.3       ggplot2_3.3.5     
[13] tidyverse_1.3.1    workflowr_1.6.2   

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.7        lubridate_1.7.10  assertthat_0.2.1  rprojroot_2.0.2  
 [5] digest_0.6.27     utf8_1.2.2        cellranger_1.1.0  backports_1.2.1  
 [9] reprex_2.0.1      evaluate_0.14     httr_1.4.2        pillar_1.6.2     
[13] rlang_0.4.11      readxl_1.3.1      rstudioapi_0.13   whisker_0.4      
[17] jquerylib_0.1.4   rmarkdown_2.10    munsell_0.5.0     broom_0.7.9      
[21] compiler_4.1.0    httpuv_1.6.1      modelr_0.1.8      xfun_0.25        
[25] pkgconfig_2.0.3   htmltools_0.5.1.1 tidyselect_1.1.1  fansi_0.5.0      
[29] crayon_1.4.1      tzdb_0.1.2        dbplyr_2.1.1      withr_2.4.2      
[33] later_1.2.0       grid_4.1.0        jsonlite_1.7.2    gtable_0.3.0     
[37] lifecycle_1.0.0   DBI_1.1.1         git2r_0.28.0      scales_1.1.1     
[41] cli_3.0.1         stringi_1.7.3     fs_1.5.0          promises_1.2.0.1 
[45] xml2_1.3.2        bslib_0.2.5.1     ellipsis_0.3.2    generics_0.1.0   
[49] vctrs_0.3.8       tools_4.1.0       glue_1.4.2        hms_1.1.0        
[53] yaml_2.2.1        colorspace_2.0-2  rvest_1.0.1       knitr_1.33       
[57] haven_2.4.3       sass_0.4.0