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add PEARSON function 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901688 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2022-06-05 20:36:22 +00:00
parent 41dfbd67c5
commit 1bae0a43bf
2 changed files with 25 additions and 1 deletions
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2
poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java
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@ -292,7 +292,7 @@ public final class FunctionEval {
// 309: FORECAST
// 310: FTEST
retval[311] = new Intercept();
// 312: PEARSON
retval[312] = Correl.instance;
// 313: RSQ
// 314: STEYX
retval[315] = new Slope();

24
poi/src/test/java/org/apache/poi/ss/formula/functions/TestCorrel.java
View File

@ -48,6 +48,18 @@ final class TestCorrel {
}
}
//https://support.microsoft.com/en-us/office/pearson-function-0c3e30fc-e5af-49c4-808a-3ef66e034c18
@Test
void testPearsonExample1() throws IOException {
try (HSSFWorkbook wb = initWorkbook2()) {
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row = sheet.getRow(0);
HSSFCell cell = row.createCell(100);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
assertDouble(fe, cell, "CORREL(A2:A6,B2:B6)", 0.699379, 0.0000005);
assertDouble(fe, cell, "PEARSON(A2:A6,B2:B6)", 0.699379, 0.0000005);
}
}
@Test
void testBlankValue() throws IOException {
try (HSSFWorkbook wb = initWorkbook1(null)) {
@ -97,4 +109,16 @@ final class TestCorrel {
addRow(sheet, 5, 6, 17);
return wb;
}
private HSSFWorkbook initWorkbook2() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet();
addRow(sheet, 0, "Independent values", "Dependent values");
addRow(sheet, 1, 9, 10);
addRow(sheet, 2, 7, 6);
addRow(sheet, 3, 5, 1);
addRow(sheet, 4, 3, 5);
addRow(sheet, 5, 1, 3);
return wb;
}
}