Power trendline

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jlarroy ita

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Mar 17, 2017, 9:55:39 AM3/17/17

to Google Chart API

Hello.

I need to create a ScatterChart with axis X and Y in logarithmic scale and with a power trendline but, as far as I know, Google Charts only supports three types of trendlines (linear, polynomial, and exponential) but not power trendlines. Is there any way to add power trendlines?

I copy a sample of my source code at the end of this message. Attached you can find an image with the result (made with Excel) which I'm looking for.

Thanks a lot.

J.Larroy

<html>

<head>

google.charts.load('current', {'packages':['corechart']});

google.charts.setOnLoadCallback(drawChart);

function drawChart() {

var data = google.visualization.arrayToDataTable([

['serie1', 'serie2'],

[0.02891, 750.0],

[0.01292, 750.0],

[0.01385, 750.0],

[0.01487, 750.0],

[1.60000, 1.48161],

[1.70000, 1.90133],

[2.30000, 0.95124],

[27.70000, 0.11861],

[50.00000, 0.06090],

[178.50000, 0.01314],

[11.10000, 0.24285]

]);

var options = {

hAxis: {scaleType:'log'},

vAxis: {scaleType:'log'},

chartArea: {width:'50%'},

trendlines: {

0: {

type: 'linear',

showR2: true,

visibleInLegend: true

}

};

var chartLinear = new google.visualization.ScatterChart(document.getElementById('chartLinear'));

chartLinear.draw(data, options);

}

</script>

</head>

<body>

</body>

</html>

powerTrendline.JPG

Maria Christine Joy Salamat

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Nov 26, 2019, 9:02:15 PM11/26/19

to Google Chart API

hi can i ask how to get all point generate in my polynomila graph using javacsript

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