fixing some important bugs in yamlmodelrunner
fixing some important bugs in yamlmodelrunner

need to remove nans before sampling

-1 now marks relocating agents

synthicity/orca,jiffyclub/orca,SANDAG/orca,synthicity/orca,SANDAG/orca,jiffyclub/orca,synthicity/orca,UDST/orca,SANDAG/orca,synthicity/orca,SANDAG/orca