# Dynamic Growth/Forecast Functions (No VBA)

#### wom80

##### New Member
I am working with a workbook that uses growth and forecast functions. I am not entirely clear on how either of these work. Feel free to use technical jargon when your explanations.

I have a set of numbers that are my 'known y's' and I also have known x's.

The formula is as follows: =IF(ISERROR(GROWTH(\$A7:\$E7,\$A\$4:\$E\$4,P\$4)),FORECAST(P\$4,\$A7:\$E7,\$A\$4:\$E\$4),GROWTH(\$A7:\$E7,\$A\$4:\$E\$4, P\$4))

What I would like to achieve is maybe have a row with 0s or 1s for each X/Y combination indicating whether or not to include that combination.

Meaning, say I have Y1, Y2, Y3,.Y4,Y5 and respectively X1,..,X5 in columns A through E. Then for each x/y combination I would have a 0 or 1. So if I have a 0 for X5/Y5 (in col E) but a 1 elsewhere , I would want my formula to only consider columns A through D. The number in cell P\$4 feeds from another sheet in the workbook and I already have that to adjust accordingly.

### Excel Facts

Select a hidden cell
Somehide hide payroll data in column G? Press F5. Type G1. Enter. Look in formula bar while you arrow down through G.

#### wom80

##### New Member
I am willing to try VBA if that is the only way to achieve my goal? Any pointers, please?

#### snoopyhr

##### Active Member
Is this what you are after ?

your 0's and 1's is like

1 1 0 1 0 <--------- only will take first upto and including x2 (x1 to x2 and y1 to y2
0r

1 1 1 1 0 <------- will consider the range for x1 to x4 , y1 to y4

that is it is always series of 1's followed by 0's ,if so then you can use a name range like this

for knows Y's

=OFFSET(\$A\$4,3,MATCH(1,\$A\$3:\$E\$3,0)-1,,MATCH(0,\$A\$3:\$E\$3,0)-1) name it something like knowny
and then refer to it in your formula in replacement of A7 to E7,

Similarly for known X's

=OFFSET(\$A\$4,,MATCH(1,\$A\$3:\$E\$3,0)-1,,MATCH(0,\$A\$3:\$E\$3,0)-1)

to replace the range A3 to E3. call this knownx

Excel Workbook
ABCDEOPQ
1
2seed control
311100Resulted YSelected X
412345X's45.78856973
5
6
71030405060Y's
Sheet1
#VALUE!
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