install.packages('drake')as_fileanalysesbuild_graphbuild_timesbackendbuiltcheckcleancachedexpandfaileddataframes_graphdefault_Makefile_argsmake()evaluateparallelism_choicesimportedprogressprunepossible_targetsstatussummariesdefault_parallelismgathermissedmkdefault_Makefile_commanddiagnoserender_graphloaddmakeread_configread_graphdefault_system2_argsexample_drakeexamples_drakemake()read_planreaddfind_cachefind_projectload_basic_examplesessionin_progressmax_useful_jobstrackedworkflowplanplot_graphworkplan