Author: Oscar Cronquist Article last updated on December 06, 2010

Array formula in D17:

=INDEX(C3:G12, MAX(1*(IF(MAX(IF((B3:F12<=\$D\$15)*(B3:F12>=\$D\$14), COUNTIF(C3:G12, C3:G12), 0))=COUNTIF(C3:G12, C3:G12), (ROW(C3:G12)-MIN(ROW(C3:G12))+1), 0))), (MAX(IF(MAX(IF((B3:F12<=\$D\$15)*(B3:F12>=\$D\$14), COUNTIF(C3:G12, C3:G12), 0))=COUNTIF(C3:G12, C3:G12), (ROW(C3:G12)-MIN(ROW(C3:G12))+1)+((COLUMN(C3:G12)-MIN(COLUMN(C3:G12))+1)/16384), 0))-MAX(1*(IF(MAX(IF((B3:F12<=\$D\$15)*(B3:F12>=\$D\$14), COUNTIF(C3:G12, C3:G12), 0))=COUNTIF(C3:G12, C3:G12), (ROW(C3:G12)-MIN(ROW(C3:G12))+1), 0))))*16384) + CTRL + SHIFT + ENTER

Most common value between two dates in a range.xls
(Excel 97-2003 Workbook *.xls)

MATCH(lookup_value;lookup_array; [match_type]
Returns the relative position of an item in an array that matches a specified value

INDEX(array,row_num,[column_num])
Returns a value or reference of the cell at the intersection of a particular row and column, in a given range

ROW(reference) returns the rownumber of a reference

COLUMN(reference) returns the column number of a reference

IF(logical_test;[value_if:true];[value_if_false])
Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE

MAX(number1,[number2],)
Returns the largest value in a set of values. Ignores logical values and text.

COUNTIF(range,criteria)
Counts the number of cells within a range that meet the given condition

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