.

LOOKUP (Array) Function Dictionary

Function Dictionary Function Examples Function Categories

LOOKUP (Array)        
 
 
Name Jan Feb Mar
Alan 10 80 97
Bob 20 90 69
Carol 30 100 45
David 40 110 51
Eric 50 120 77
Francis 60 130 28
Gail 70 140 73
      Type a Name in this cell : Eric
      The March value for this person is :  77  =LOOKUP(F12,D4:G10)
What Does It Do ?              
This function looks for a piece of information in a list, and then picks an item from the
last cell in the adjacent row or column.
It always picks the data from the end of the row or column, so it is no good if you need
to pick data from part way across a list, (use VLOOKUP or HLOOKUP).
The way in which the function decides whether to pick from the row or column is based
on the size of the table.
If the table has more rows than columns :  the function will look down the left most column
trying to find a match for the piece of information
you asked it to look for.
When a match is found, the function will look
across to the right most column to pick the 
last entry on the row.
If the table has the same amount of rows and columns :
the function will look down the left most column and
work in just the same way as if the table had more
rows than columns, as in the description above.
If the table has more columns than rows : the function will look across the top row trying
to find a match for the piece of information you
have asked it to look for.
When a match is found, the function will then look
down to the bottom cell of the column to pick
the last entry of the column.
Syntax                
=LOOKUP(WhatToLookFor,RangeToLookIn)
The WhatToLookFor should be a single item.
The RangeToLook in can be either horizontal or vertical.
Be careful not to include unnecessary heading in the range as these will cause errors.
Example 1   Example 2      
In this table there are more In this table there are more columns than rows, so
rows than columns, so the the row heading of Jan is not included in the 
column heading of Jan is lookup range.
not included in the lookup
range. Alan Bob Carol David
Jan Jan 100 100 100 100
Alan 100
Bob 100
Carol 100
David 100
Eric 100
Fred 100
Formatting              
No special formatting is needed.
Problems              
The list of information to be looked through must be sorted in ascending order, otherwise errors
will occur, either as #N/A or incorrect results.
Table 1 shows the Name column sorted alphabetically, the results of using =LOOKUP() will
be correct.
Table 2 shows the same data, but not sorted. Sometimes the results will be correct, but other
times the result will be an #N/A error or incorrect figure.
Table 1 Table 2
Name Jan Feb Mar Name Jan Feb Mar
Alan 10 80 97 David 40 110 51
Bob 20 90 69 Eric 50 120 77
Carol 30 100 45 Alan 10 80 97
David 40 110 51 Bob 20 90 69
Eric 50 120 77 Carol 30 100 45
Francis 60 130 28 Francis 60 130 28
Gail 70 140 73 Gail 70 140 73
Name :  Eric Name :  Eric
Value : 77 Value : 45
 =LOOKUP(C88,B80:E86)  =LOOKUP(H88,G80:J86)

.

Popular posts from this blog

Tamilnadu SIXTH all books free download, Tamilnadu 6th all books free download

Tamilnadu FIRST STANDARD all books free download, Tamilnadu 1ST STANDARD all books free download