Re: [PHP] How to define a data range for graphing?
On 18/12/2010, at 8:45 AM, Brian Dunning wrote:
Hey all -
I'm trying to provide reporting to users of our widget. Some may get 0 to 5
hits a day; others may get up to 10,000 hits a day. I need to define the
range of the graph (using one of Google's). If their max day is 7, I'd like
the graph to go from 0 to 10. If their max day is 5678, I'd probably like it
to go from 0 to 6000. I'm guessing the way to do this is with a ceiling
function?
- Brian
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Personally, I'd use something like:
if($hits 10) {
$top = 10;
} else {
$top = ($hits[0] + 1) * pow(10, strlen($hits) - 1);
}
Basically, add one to the first digit and make the rest of the digits 0.
Depending on how you want to handle the cases ending in 0s, you may want an
extra check in there.
General disclaimer about code typed directly into mail client.
Happy Saturday :)
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Simon Welsh
Admin of http://simon.geek.nz/
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ever crashes!
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Re: [PHP] How to define a data range for graphing?
On Friday, 17 December 2010, Simon J Welsh si...@welsh.co.nz wrote:
On 18/12/2010, at 8:45 AM, Brian Dunning wrote:
Hey all -
I'm trying to provide reporting to users of our widget. Some may get 0 to 5
hits a day; others may get up to 10,000 hits a day. I need to define the
range of the graph (using one of Google's). If their max day is 7, I'd like
the graph to go from 0 to 10. If their max day is 5678, I'd probably like it
to go from 0 to 6000. I'm guessing the way to do this is with a ceiling
function?
- Brian
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
Personally, I'd use something like:
if($hits 10) {
$top = 10;
} else {
$top = ($hits[0] + 1) * pow(10, strlen($hits) - 1);
}
Basically, add one to the first digit and make the rest of the digits 0.
Depending on how you want to handle the cases ending in 0s, you may want an
extra check in there.
General disclaimer about code typed directly into mail client.
Happy Saturday :)
Personally I'd add a percentage on top, say 5 or 10 percent.
Regards
Peter
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