GrantQualification <-
GrantQualifications <-
grantqual <-
function(qual.requests, values, verbose = getOption('MTurkR.verbose', TRUE), ...) {
operation <- "GrantQualification"
if (is.factor(qual.requests)) {
qual.requests <- as.character(qual.requests)
}
if (is.factor(values)) {
values <- as.character(values)
}
if (!length(qual.requests) == length(values)) {
if (length(values) == 1) {
values <- rep(values[1], length(qual.requests))
} else {
stop("Number of QualificationRequests is not 1 or number of Values")
}
}
for (i in 1:length(values)) {
if (!is.numeric(as.numeric(values))) {
warning("Non-numeric Qualification Value requested for request ",
qual.requests[i], "\n", sep = "")
}
}
QualificationRequests <- emptydf(length(qual.requests), 3, c("QualificationRequestId", "Value", "Valid"))
for (i in 1:length(qual.requests)) {
GETparameters <- paste("&QualificationRequestId=", qual.requests[i],
"&IntegerValue=", values[i], sep = "")
request <- request(operation, GETparameters = GETparameters, ...)
if (is.null(request$valid)) {
return(request)
}
QualificationRequests[i, ] <- c(qual.requests[i], values[i], request$valid)
if (request$valid == TRUE) {
if (verbose) {
message(i, ": Qualification (", qual.requests[i],") Granted")
}
} else if (request$valid == FALSE) {
if (verbose) {
warning(i, ": Invalid Request for QualificationRequest ", qual.requests[i])
}
}
}
QualificationRequests$Valid <- factor(QualificationRequests$Valid, levels=c('TRUE','FALSE'))
return(QualificationRequests)
}
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