retval[193] = AggregateFunction.STDEVP;
retval[194] = AggregateFunction.VARP;
- // 195: DSTDEVP
- // 196: DVARP
+ retval[195] = new DStarRunner(DStarRunner.DStarAlgorithmEnum.DSTDEVP);
+ retval[196] = new DStarRunner(DStarRunner.DStarAlgorithmEnum.DVARP);
retval[197] = NumericFunction.TRUNC;
retval[198] = LogicalFunction.ISLOGICAL;
// 199: DCOUNTA
DAVERAGE(DAverage::new),
/** @see DStdev */
DSTDEV(DStdev::new),
+ /** @see DStdevp */
+ DSTDEVP(DStdevp::new),
/** @see DVar */
DVAR(DVar::new),
+ /** @see DVarp */
+ DVARP(DVarp::new),
/** @see DProduct */
DPRODUCT(DProduct::new),
;
--- /dev/null
+/* ====================================================================
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import org.apache.poi.ss.formula.eval.NumberEval;
+import org.apache.poi.ss.formula.eval.NumericValueEval;
+import org.apache.poi.ss.formula.eval.ValueEval;
+import org.apache.poi.ss.util.NumberToTextConverter;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+
+/**
+ * Implementation of the DStdevp function:
+ * Gets the standard deviation value of a column in an area with given conditions.
+ */
+public final class DStdevp implements IDStarAlgorithm {
+ private final ArrayList<NumericValueEval> values = new ArrayList<>();
+
+ @Override
+ public boolean processMatch(ValueEval eval) {
+ if (eval instanceof NumericValueEval) {
+ values.add((NumericValueEval) eval);
+ }
+ return true;
+ }
+
+ @Override
+ public ValueEval getResult() {
+ final double[] array = new double[values.size()];
+ int pos = 0;
+ for (NumericValueEval d : values) {
+ array[pos++] = d.getNumberValue();
+ }
+ final double stdev = StatsLib.stdevp(array);
+ return new NumberEval(new BigDecimal(NumberToTextConverter.toText(stdev)).doubleValue());
+ }
+}
--- /dev/null
+/* ====================================================================
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import org.apache.poi.ss.formula.eval.NumberEval;
+import org.apache.poi.ss.formula.eval.NumericValueEval;
+import org.apache.poi.ss.formula.eval.ValueEval;
+import org.apache.poi.ss.util.NumberToTextConverter;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+
+/**
+ * Implementation of the DVarp function:
+ * Gets the variance value of a column in an area with given conditions.
+ */
+public final class DVarp implements IDStarAlgorithm {
+ private final ArrayList<NumericValueEval> values = new ArrayList<>();
+
+ @Override
+ public boolean processMatch(ValueEval eval) {
+ if (eval instanceof NumericValueEval) {
+ values.add((NumericValueEval) eval);
+ }
+ return true;
+ }
+
+ @Override
+ public ValueEval getResult() {
+ final double[] array = new double[values.size()];
+ int pos = 0;
+ for (NumericValueEval d : values) {
+ array[pos++] = d.getNumberValue();
+ }
+ final double var = StatsLib.varp(array);
+ return new NumberEval(new BigDecimal(NumberToTextConverter.toText(var)).doubleValue());
+ }
+}
import static org.apache.poi.ss.util.Utils.assertDouble;
/**
- * Testcase for function DSTDEV()
+ * Testcase for function DSTDEV() and DSTDEVP()
*/
public class TestDStdev {
}
}
+ //https://support.microsoft.com/en-us/office/dstdevp-function-04b78995-da03-4813-bbd9-d74fd0f5d94b
+ @Test
+ void testDSTDEVPMicrosoftExample1() throws IOException {
+ try (HSSFWorkbook wb = initWorkbook1()) {
+ HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+ HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
+ assertDouble(fe, cell, "DSTDEVP(A5:E11, \"Yield\", A1:A3)", 2.65329983228432, 0.0000000001);
+ }
+ }
+
private HSSFWorkbook initWorkbook1() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet();
import static org.apache.poi.ss.util.Utils.assertDouble;
/**
- * Testcase for function DVAR()
+ * Testcase for function DVAR() and DVARP()
*/
public class TestDVar {
}
}
+ //https://support.microsoft.com/en-us/office/dvarp-function-eb0ba387-9cb7-45c8-81e9-0394912502fc
+ @Test
+ void testDVARPMicrosoftExample1() throws IOException {
+ try (HSSFWorkbook wb = initWorkbook1()) {
+ HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+ HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
+ assertDouble(fe, cell, "DVARP(A4:E10, \"Yield\", A1:A3)", 7.04, 0.0000000001);
+ }
+ }
+
private HSSFWorkbook initWorkbook1() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet();