java.lang.AssertionError: =AVERAGEIF(B12:E12,"<23000") failed, at row 11 in xsheet: formula-statistical
Expected: "14000"
     but: was "Error evaluating cell 'formula-statistical'!B11"

 >>org.zkoss.poi.ss.formula.eval.NotImplementedException: Error evaluating cell 'formula-statistical'!B11
>>org.zkoss.poi.ss.formula.eval.NotImplementedException: AVERAGEIF
>>	at org.zkoss.poi.ss.formula.atp.AnalysisToolPak$NotImplemented.evaluate(AnalysisToolPak.java:40)
>>	at org.zkoss.poi.ss.formula.UserDefinedFunction.evaluate(UserDefinedFunction.java:65)
>>	at org.zkoss.poi.ss.formula.OperationEvaluatorFactory.evaluate(OperationEvaluatorFactory.java:129)
>>	at org.zkoss.poi.ss.formula.WorkbookEvaluator.evaluateFormula(WorkbookEvaluator.java:539)
>>	at org.zkoss.poi.ss.formula.WorkbookEvaluator.evaluateAny(WorkbookEvaluator.java:316)
>>	at org.zkoss.poi.ss.formula.WorkbookEvaluator.evaluate(WorkbookEvaluator.java:255)
>>	at org.zkoss.poi.xssf.usermodel.XSSFFormulaEvaluator.evaluateFormulaCellValue(XSSFFormulaEvaluator.java:266)
>>	at org.zkoss.poi.xssf.usermodel.XSSFFormulaEvaluator.evaluate(XSSFFormulaEvaluator.java:119)
>>	at org.zkoss.zss.model.sys.impl.BookHelper.evaluate(BookHelper.java:476)
>>	at org.zkoss.zss.model.sys.impl.BookHelper.getFormatText(BookHelper.java:1018)
>>	at org.zkoss.zss.ui.impl.XUtils.getFormatText(XUtils.java:355)
>>	at org.zkoss.zss.ui.impl.CellFormatHelper.getHtmlStyle(CellFormatHelper.java:89)
>>	at org.zkoss.zss.ui.Spreadsheet$ExtraCtrl.getCellAttr(Spreadsheet.java:3066)
>>	at org.zkoss.zss.ui.Spreadsheet$ExtraCtrl.getRangeAttrs(Spreadsheet.java:2940)
>>	at org.zkoss.zss.ui.Spreadsheet.updateSheetAttributes(Spreadsheet.java:859)
>>	at org.zkoss.zss.ui.Spreadsheet.setSelectedSheetDirectly(Spreadsheet.java:798)
>>	at org.zkoss.zss.ui.Spreadsheet.access$40(Spreadsheet.java:776)
>>	at org.zkoss.zss.ui.Spreadsheet$ExtraCtrl.setSelectedSheetDirectly(Spreadsheet.java:3520)
>>	at org.zkoss.zss.ui.au.in.SelectSheetCommand.process(SelectSheetCommand.java:87)
>>	at org.zkoss.zss.ui.Spreadsheet.service(Spreadsheet.java:4721)