I have cobbled together the following logic. It works but is very slow. I'm sure that there must be a better r-specific way to implement this kind of thing, but have been unable to find/understand one. Any help would be appreciated.

hh.sub <- households[c("HOUSEID","HHFAMINC")]
for (indx in 1:length(hh.sub$HOUSEID)) {
if ((hh.sub$HHFAMINC[indx] == '01') | (hh.sub$HHFAMINC[indx] == '02') | (hh.sub$HHFAMINC[indx] == '03') | (hh.sub$HHFAMINC[indx] == '04') | (hh.sub$HHFAMINC[indx] == '05'))
    hh.sub$CS_FAMINC[indx] <- 1 # Less than $25,000
if ((hh.sub$HHFAMINC[indx] == '06') | (hh.sub$HHFAMINC[indx] == '07') | (hh.sub$HHFAMINC[indx] == '08') | (hh.sub$HHFAMINC[indx] == '09') | (hh.sub$HHFAMINC[indx] == '10'))
    hh.sub$CS_FAMINC[indx] <- 2 # $25,000 to $50,000
if ((hh.sub$HHFAMINC[indx] == '11') | (hh.sub$HHFAMINC[indx] == '12') | (hh.sub$HHFAMINC[indx] == '13') | (hh.sub$HHFAMINC[indx] == '14') | (hh.sub$HHFAMINC[indx] == '15'))
    hh.sub$CS_FAMINC[indx] <- 3 # $50,000 to $75,000
  if ((hh.sub$HHFAMINC[indx] == '16') | (hh.sub$HHFAMINC[indx] == '17'))
    hh.sub$CS_FAMINC[indx] <- 4 # $75,000 to $100,000
  if ((hh.sub$HHFAMINC[indx] == '18'))
    hh.sub$CS_FAMINC[indx] <- 5 # More than $100,000
if ((hh.sub$HHFAMINC[indx] == '-7') | (hh.sub$HHFAMINC[indx] == '-8') | (hh.sub$HHFAMINC[indx] == '-9'))
    hh.sub$CS_FAMINC[indx] = 0
}

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