Here is my situation,
In the database, I have a *stats* table which has:
- points (Integer datatype)
- assists (Integer datatype)
- blocks (Integer datatype)
- turnovers (Integer datatype)
In rails, I have *stat* model
Now If I want to display value from stats table, I can do this
@stats = Stat.find(:all)
It will display all integer value that user entered *(Note: User ONLY
allowed to enter integer value)*
For example, I have these data in stats table
*Points* *assists* *blocks* *turnovers*
1 4 5 1
5 2 5 5
7 3 2 7
Now, I want to average each column and assign it to stat class
@average_stat = Stat.new
stats = Stat.find(:all)
@average_stat.points = stats.sum('points') / stats.count('points')
@average_stat.assists = stats.sum('assists') / stats.count('assists')
@average_stat.assists = stats.sum('blocks') / stats.count('blocks')
@average_stat.assists = stats.sum('turnovers') / stats.count('turnovers')
The problem I see, when I assigning to average value to @average_stat, the
value get converted to integer. I want to have float value. How I can assign
float value in stat class?
Yudi Soesanto
On Wed, Mar 10, 2010 at 11:07 PM, Robert Walker <[email protected]>wrote:
> Yudi Soesanto wrote:
> > How i can store integer data type and when application display the data
> > back
> > (Since it will do calculation) it will display float on each column
> > points,
> > assists, blocks and turnovers?
>
> This seems to be a basic Ruby question. See the following IRB session:
> >> x = 25
> => 25
> >> y = 3
> => 3
> >> z = x / y
> => 8
> >> z = x.to_f / y.to_f
> => 8.33333333333333
> >> puts "%0.3f" % z
> 8.333
> --
> Posted via http://www.ruby-forum.com/.
>
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