Logarithmic Trend line

Logarithmic Trend line is used to model data where growth or decay accelerates rapidly at first and then slows over time.
This model is for the long term series data (such as 10 or 20 years time span).

Technical issues
*The user have to pan over the chart from the beginning to the end of the study range (such as 10 years of bars) so the pine script could generate those lines on the chart.
*If on the chart the number of bar is less than the lookback period, it won't generate any lines as well.

Notes de version:

++ Linear Regression from 0.2/-0.2 to 3/-3 deviations using Log Scale.

Notes de version:

I changed the color, location and precision of the Pearson 's R to make it more visible.

Notes de version:

I changed the color ;)

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Colors changed

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count set to 300

Notes de version:

count set back to 250 :)