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For all trendline types except moving average, sets or returns the number of periods the regression should extrapolate backward. |
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<table class="diff-macro"><thead><tr><th class="diff-macro-title">unmigrated-wiki-markup</th></tr></thead><tbody><tr><td class="diff-macro-body"><pre> public double BackcastPeriods{ get; set; } </pre></td></tr></tbody></table> |
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Public <p>Public Property BackcastPeriods() As Double</p>Double |
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Setting this value will cause the trendline to start before the beginning of the data. |