public void setItemDeletionPercentage(double perCent){
        this.itemDeletionPercentage = perCent;
        this.itemDeletionPercentageSet = true;
        if(this.personDeletionPercentageSet && this.replacementOptionSet){
            this.allNoResponseOptionsSet = true;
            if(this.dataEntered){
                this.preprocessData();
            }
        }
    }