Dear All,
I am using google chart api to draw a scatter plot, and draw a regression
line by including "treadlines" in options
here is my code:
var options = {
title: 'Consumption vs. Power',
hAxis: {title: 'Power', minValue: 0, maxValue: 1000},
vAxis: {title: 'Consumption', minValue: 0, maxValue: 60},
legend: 'none',
trendlines: { 0: {
type: 'linear',
visibleInLegend: true,
lineWidth: 1,
color: 'green',
}
}
};
But I also want to know the R square which is used to measure the minimum
distance of scattered points to the regression line.
Does anyone know how to show the R square?
Thanks a lot,
Liang Xin
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