hi,
I'm building a statistics system for school and I'm using google charts.
I'm sorry but i cant post the whole code because I am not allowed.
anyways I have a panel that shows data and it looks like this:
<https://lh3.googleusercontent.com/-ALhiLmTX1mw/WxP2RsnDJuI/AAAAAAAAKSE/mhIGyDh1TicmtXsQOw3eDiWGJWFCgxtmACLcBGAs/s1600/charts.ex1.png>
so i have 1 dashboard that binds a changeratefilter with 2+ linecharts.
my data table looks like this:
timestap | line1 | line2 | line3 | ...
date0 | 1val0 | 2val0 | 3val0 | ...
date1 | 1val1 | 2val1 | 3val1 | ...
...
where date0 is of type Date and xvaly is type number.
I'm trying to make the charts show *different lines for each charts *but
still wants one controller to rule them all (One controller to find them,
One controller to bring them all and in the darkness bind them)
but i get an error every time when i try to use* view: {columns:[0,2]} *in
my chartwrappers:
Invalid column index 2. Should be an integer in the range [0-1].
getNumberOfColumns *does *return the correct value of 4.
so i dont know what im doing wrong.
how can i hide the lines but still make the controller to show all of them
and control all of them?
*Thank you!*
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