Hi, Google histogram charts are useful, particularly the binning algorithm. But one thing that stops me from using it more is the inability to display the sum of variables falling within a bin range, rather than the number of items. Suppose that you want to show a histogram of returns for stocks in the S&P index. Histogram charts let you plot the number of stocks falling within a return range, and provides helpful options for displaying this. But what I would like to do is show the dollar amount of stocks falling within each range, using their market capitalisation. In other words, I want to weight the distribution according to dollar value. It looks like the option ought to be there because your histogram chart shows 'count' next to the legend, suggesting it could be changed to 'sum'. Is there any way of achieving this?
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