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Miha Kralj
86fe32a682
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: aider (openrouter/anthropic/claude-sonnet-4) <aider@aider.chat> Co-authored-by: Warp <agent@warp.dev>
29 lines
935 B
Plaintext
29 lines
935 B
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Logarithmic Transformation (LOG)", "Logtrans", overlay=false)
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//@function Applies a natural logarithmic transformation (y = ln(x)) to the input series.
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//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/numerics/log.md
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//@param source series float The input series to transform. Must contain positive values.
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//@returns series float The logarithmically transformed series. Returns na if source <= 0.
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//@optimized for performance and dirty data
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logT(series float source) =>
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if na(source)
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runtime.error("Parameter 'source' cannot be na.")
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if source <= 0
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na
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else
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math.log(source)
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// ---------- Main loop ----------
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// Inputs
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i_source = input(close, "Source")
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// Calculation
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transformedSource = logT(i_source)
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// Plot
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plot(transformedSource, "Log Transformation", color=color.green, color=color.yellow, linewidth=2)
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