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# [libreoffice-users] Re: averaging with missing values

```On 2/15/2014 11:49 AM, Regina Henschel wrote:
```
```Hi William,

william drescher schrieb:
```
```I have a table of systolic bloop pressures: 4 rows (weeks) x 21
cols
(days) eg:

week 1 130 133 140 ... (representing morning, noon, night of
day 1 -
followed by morning, noon and night of day 2..7)

I want to compute the average pressure for the week.  In a
perfect world
I would just use the average function.
However, in this world I find that each row has between 3 and
10 missing
values.  To get the average now I sum the row's values and then
divide
by the number of values in the row.

Can anyone suggest a way of getting the average without needing to
manually count the values ?
```
```
If the cells are really empty or have a function call that
results in a text, then such cells will not be counted by the
AVERAGE function. If the cells contain a formula, which results
in 0, then you can use AVERAGEIF(range;"<>0").

Kind regards
Regina

```
```
Thank you for the information - couldn't be easier
--bill

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