>
>
> On Tue, Mar 29, 2011 at 5:01 PM, Marc Delisle <
marc@infomarc.info> wrote:
>>
>> Ammar Yasir a écrit :
>> >
>> > Thanks
>> >
>> > I had a doubt (it might be silly but I thought I should ask). One
>> > important feature of such a data visualization system is that it should
>> > not create confusion or represent something that the data is not.
>> > Consider the movie database example, when a user sees a plot of ratings
>> > vs year / genre vs lanuage, a lot of data points will overlap. So a
>> > lot of data will be hidden from the user at the first sight. What will a
>> > user make out of it? I know we handle such conditions by providing all
>> > the data instances when he clicks on the point but a user might not go
>> > that far. If he is not able to understand the initial plot he might not
>> > continue further ( like not zoom in/click data point). I am just a
>> > little concerned about the usability part and not the functionality.
>>
>> I don't think that the plot contains all that. In the example I have
>> seen, the X axis contained "year of release" and the Y axis was for
>> "popularity level from 1 to 9".
>>
> No I am saying that a lot of movies will have same year of release and same
> popularity. Those movie points will overlap on the 2D space, what then?