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Q: 

how to set default value as zero to <valueExpression> in TimeSeries chart?

Hi, I am using TimeSerirs chart to display cpuusage per time. Code is-

valueExpression

![CDATA[$F{cpuUsage}]]

/valueExpression

Problem is when it displays chart it always start with 5 or non-zero number. It takes non-zero number as its first point then displays it. How to set zero as its first point?

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