Nothing
"splitPeakCodes" <- function(x, all_peaks_na_okay=FALSE) {
if(! is.data.frame(x)) {
warning("a data.frame as in 'dataRetrieval::readNWISpeak(station, convertType=FALSE)' required")
return(NULL)
}
nu <- length(unique(x$site_no))
if(nu > 1) {
message("more than one site_no encountered, please just use one station ",
"at a time and then rbind() the successive results on your own, ",
"testing indicates some difficulty in setting appearsSystematic ",
"as the algorithms rolls onto or off of a data frame with multiple ",
"streamgages, it is safer and easier to check if this algorithm ",
"works for all situations of gaps and code 7 this way")
return(NULL)
} else if(nu == 0) {
message("no rows of peaks to process")
return(NULL)
}
site_for_messaging <- x$site_no[1]
if(length(x$water_yr) == 0) x <- makeWaterYear(x)
x$appearsSystematic <- TRUE
x$appearsSystematic[is.na(x$peak_va)] <- FALSE
if(all_peaks_na_okay) {
tmp <- x
} else {
tmp <- x[! is.na(x$peak_va),]
if(length(tmp$peak_va) == 0) {
warning("no non NA peaks available for ",site_for_messaging,", returning NULL")
return(NULL)
}
}
ix <- range(tmp$water_yr)[1]:range(tmp$water_yr)[2]
gap <- sapply(ix, function(i) ifelse(length(tmp$water_yr[tmp$water_yr == i]) == 0,i,NA))
gap <- gap[! is.na(gap)]
x$peak_va <- as.numeric(x$peak_va) # presuming dataRetrieval::readNWISpeak(station, convertType=FALSE)
x$gage_ht <- as.numeric(x$gage_ht) # ..ditto..
x$anyCodes <- NA
x$isCode9 <- x$isCode8 <- x$isCode7 <-
x$isCode6 <- x$isCode5 <- x$isCode4 <-
x$isCode3 <- x$isCode2 <- x$isCode1 <- FALSE
x$isCode9 <- x$isCode8 <- x$isCode7 <-
x$isCodeO <- x$isCodeE <- x$isCodeD <- x$isCodeC <-
x$isCodeB <- x$isCodeA <- FALSE
x$isCodeA[grep("A", x$peak_cd)] <- TRUE
x$isCodeB[grep("B", x$peak_cd)] <- TRUE
x$isCodeC[grep("C", x$peak_cd)] <- TRUE
x$isCodeD[grep("D", x$peak_cd)] <- TRUE
x$isCodeE[grep("E", x$peak_cd)] <- TRUE
x$isCodeO[grep("O", x$peak_cd)] <- TRUE
x$isCode1[grep("1", x$peak_cd)] <- TRUE
x$isCode2[grep("2", x$peak_cd)] <- TRUE
x$isCode3[grep("3", x$peak_cd)] <- TRUE
x$isCode4[grep("4", x$peak_cd)] <- TRUE
x$isCode5[grep("5", x$peak_cd)] <- TRUE
x$isCode6[grep("6", x$peak_cd)] <- TRUE
x$isCode7[grep("7", x$peak_cd)] <- TRUE
x$isCode8[grep("8", x$peak_cd)] <- TRUE
x$isCode9[grep("9", x$peak_cd)] <- TRUE
x$anyCodes[grep("A|B|C|D|E|O|1|2|3|4|5|6|7|8|9", x$peak_cd)] <- TRUE
x$anyCodes[is.na(x$anyCodes)] <- FALSE
x$appearsSystematic[x$isCodeO] <- FALSE
for(seven in c(x$water_yr[x$isCode7], max(x$water_yr))) {
yrs <- c(gap[gap == (seven-1)], gap[gap == (seven+1)])
if(length(yrs) != 0) x$appearsSystematic[x$water_yr == seven] <- FALSE
}
return(x)
}
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