[R] error in submission

[Wael Hammam Fouad]

  R x64 3.1.2 RStudio win8.1 64x error in submission
assignment 3 best function
*actually i have 2 code *
*the first have good **output but error in submission :*
*Selection: 1Error in best("BB", "heart attack") : Invalid stateCalled
from: .rs.breakOnError(TRUE)*
best <- function(state, outcome) {
        outmeasures <- read.csv("outcome-of-care-measures.csv", colClasses
= "character")
        caremeasures <- subset(outmeasures,,select=c("Hospital.Name",
"State"
                                                     ,
"Hospital.30.Day.Death..Mortality..Rates.from.Heart.Attack"
                                                     ,
"Hospital.30.Day.Death..Mortality..Rates.from.Heart.Failure"
                                                     ,
"Hospital.30.Day.Death..Mortality..Rates.from.Pneumonia"))
        names(caremeasures) <- c("Hospital.Name", "State", "Heart.Attack",
                                 "Heart.Failure", "Pneumonia")
        measuresstate <- subset(caremeasures[caremeasures$State == state ,
                                             c("Hospital.Name", "State" ,
                                               "Heart.Attack",
"Heart.Failure",
                                               "Pneumonia")])
        if(!state %in% measuresstate$State) {
                stop("Invalid state")
        }
        if(outcome == "heart attack") {
                minHos <- measuresstate[, c("Hospital.Name",
"Heart.Attack")]
                minHos[, "Heart.Attack"] <-
suppressWarnings(as.numeric(minHos[, "Heart.Attack"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Heart.Attack,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else if(outcome == "heart failure") {
                minHos <- measuresstate[, c("Hospital.Name",
"Heart.Failure")]
                minHos[, "Heart.Failure"] <-
suppressWarnings(as.numeric(minHos[, "Heart.Failure"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Heart.Failure,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else if(outcome == "pneumonia") {
                minHos <- measuresstate[, c("Hospital.Name", "Pneumonia")]
                minHos[, "Pneumonia"] <-
suppressWarnings(as.numeric(minHos[, "Pneumonia"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Pneumonia,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else{
                stop("Invalid outcome")
        }
}


*the second have error* (best("BB", "heart attack")
Error in minHospital[[1]][[1]] : subscript out of bounds)

*and it's looks like no check on state the is as follow :*
best <- function(state, outcome) {
        outmeasures <- read.csv("outcome-of-care-measures.csv",
stringsAsFactors=FALSE, na.strings="Not Available")
        if(!state %in% outmeasures$State |
           !outcome %in%
outmeasures$Hospital.30.Day.Death..Mortality..Rates.from.Heart.Attack |
           !outcome %in%
outmeasures$Hospital.30.Day.Death..Mortality..Rates.from.Heart.Failure |
           !outcome %in%
outmeasures$Hospital.30.Day.Death..Mortality..Rates.from.Pneumonia) {
        caremeasures <- subset(outmeasures,,select=c("Hospital.Name",
"State"
                        ,
"Hospital.30.Day.Death..Mortality..Rates.from.Heart.Attack"
                        ,
"Hospital.30.Day.Death..Mortality..Rates.from.Heart.Failure"
                        ,
"Hospital.30.Day.Death..Mortality..Rates.from.Pneumonia"))
        names(caremeasures) <- c("Hospital.Name", "State", "Heart.Attack",
                                 "Heart.Failure", "Pneumonia")
        measuresstate <- subset(caremeasures[caremeasures$State == state ,
                                c("Hospital.Name", "State" ,
"Heart.Attack",
                                  "Heart.Failure", "Pneumonia")])
        if(outcome == "heart attack") {
                minHos <- measuresstate[, c("Hospital.Name",
"Heart.Attack")]
                minHos[, "Heart.Attack"] <-
suppressWarnings(as.numeric(minHos[, "Heart.Attack"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Heart.Attack,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else if(outcome == "heart failure") {
                minHos <- measuresstate[, c("Hospital.Name",
"Heart.Failure")]
                minHos[, "Heart.Failure"] <-
suppressWarnings(as.numeric(minHos[, "Heart.Failure"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Heart.Failure,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else if(outcome == "pneumonia") {
                minHos <- measuresstate[, c("Hospital.Name", "Pneumonia")]
                minHos[, "Pneumonia"] <-
suppressWarnings(as.numeric(minHos[, "Pneumonia"]))
                minHosN <- na.omit(minHos)
                minHospital <- minHosN[with(minHosN, order(Pneumonia,
Hospital.Name)), ]
                return(minHospital[[1]][[1]])
        }else{
                stop("Invalid outcome")
        }
        }
        stop("Invalid State")
}

what is the problem I'm really confused and not understand what is the
problem i need to put my hand on the problem
Sorry for inconvenience

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