/**
* Sends a single command to R.
*
* @param sz The R command
* @param szDescription The Description showing up before the output
*/
private String[] sendCommand2R(String sz) {
// set command
if (sz.length() == 0) {
return null;
}
// parse
long lParsed = re.rniParse(sz, 1);
// eval
long lEvaluated = re.rniEval(lParsed, 0);
// generate REXP
if (lEvaluated > 0) {
REXP exp = new REXP(re, lEvaluated);
String[] szArr = exp.asStringArray();
if (szArr != null) {
return szArr;
}
double[] dArr = exp.asDoubleArray();
if (dArr != null) {
String[] szDArr = new String[dArr.length];
for (int cnt = 0; cnt < dArr.length; ++cnt) {
szDArr[cnt] = String.valueOf(dArr[cnt]);
}
return szDArr;
}
int[] iArr = exp.asIntArray();
if (iArr != null) {
String[] szIArr = new String[iArr.length];
for (int cnt = 0; cnt < iArr.length; ++cnt) {
szIArr[cnt] = String.valueOf(iArr[cnt]);
}
return szIArr;
}
}
return null;
}
@Override
public int[] asIntegers() {
return r.asIntArray();
}