install.packages('drake')cachedas_filebuiltanalysesbuild_graphbuild_timesmake()in_progressdataframes_graphdefault_Makefile_commanddefault_parallelismload_basic_exampleloaddplanfind_cachefind_projectmkmake()read_planreaddplot_graphrender_graphdefault_system2_argsexamples_drakeexpandmax_useful_jobsmissedpossible_targetscheckcleanevaluateexample_drakegathermakeprogresspruneimportedparallelism_choicessessionstatussummariesread_configread_graphtracked