Powershell to create line chart from EXCEL

Question

My powershell script inputs data into EXCEL worksheet

and I am trying to c

Answer 1

Fancy stuff to avoid seeing unnecessary red lines (Exception setting "ChartType": "Unspecified error) all over:

$chart.chartType = 4

Detailed list of chart types and more information available here: http://learn-powershell.net/2012/12/24/powershell-and-excel-adding-a-chart-and-header-filter-to-a-report/