Covar, Kendall, Spearman

lib/statistics/_list.md

@@ -1,32 +1,26 @@
-# Statistics
+# Statistics indicators
+Done: 21, Todo: 2
 
-Statistical functions and indicators for financial analysis.
-
-## Implemented
-
-- [Beta](Beta.cs) - Beta coefficient measuring volatility relative to market
-- [Corr](Corr.cs) - Correlation coefficient between two series
-- [Curvature](Curvature.cs) - Curvature of a time series
-- [Entropy](Entropy.cs) - Information entropy of a series
-- [Hurst](Hurst.cs) - Hurst exponent for trend strength
-- [Kurtosis](Kurtosis.cs) - Kurtosis measuring tail extremity
-- [Max](Max.cs) - Maximum value over period
-- [Median](Median.cs) - Median value over period
-- [Min](Min.cs) - Minimum value over period
-- [Mode](Mode.cs) - Mode (most frequent value)
-- [Percentile](Percentile.cs) - Percentile rank calculation
-- [Skew](Skew.cs) - Skewness measuring distribution asymmetry
-- [Slope](Slope.cs) - Linear regression slope
-- [Stddev](Stddev.cs) - Standard deviation
-- [Theil](Theil.cs) - Theil's U statistics for forecast accuracy
-- [Tsf](Tsf.cs) - Time series forecast
-- [Variance](Variance.cs) - Statistical variance
-- [Zscore](Zscore.cs) - Z-score standardization
-
-## Planned
-
-- Cointegration - Test for cointegrated series
-- Granger - Granger causality test
-- Jarque-Bera - Normality test
-- Kendall - Kendall rank correlation
-- Spearman - Spearman rank correlation
+✔️ BETA - Beta coefficient measuring volatility relative to market
+✔️ CORR - Correlation coefficient between two series
+✔️ COVAR - Covariance between two series
+✔️ CURVATURE - Curvature of a time series
+✔️ ENTROPY - Information entropy of a series
+✔️ HURST - Hurst exponent for trend strength
+✔️ KENDALL - Kendall rank correlation
+✔️ KURTOSIS - Kurtosis measuring tail extremity
+✔️ MAX - Maximum value over period
+✔️ MEDIAN - Median value over period
+✔️ MIN - Minimum value over period
+✔️ MODE - Mode (most frequent value)
+✔️ PERCENTILE - Percentile rank calculation
+✔️ SKEW - Skewness measuring distribution asymmetry
+✔️ SLOPE - Linear regression slope
+✔️ SPEARMAN - Spearman rank correlation
+✔️ STDDEV - Standard deviation
+✔️ THEIL - Theil's U statistics for forecast accuracy
+✔️ TSF - Time series forecast
+✔️ VARIANCE - Statistical variance
+✔️ ZSCORE - Z-score standardization
+COINTEGRATION - Test for cointegrated series
+GRANGER - Granger causality test