feat: Add BatchCorr for batch-wise correlation calculation#13
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This commit introduces
BatchCorr, a new class for calculating the correlation coefficient of data that arrives in batches.The
BatchCorrclass is implemented by composing the existingBatchCovandBatchVarclasses, ensuring a numerically stable and efficient online algorithm.Key changes:
batchstats/stats/corr.pywith theBatchCorrimplementation.BatchCorrintests/test_stats.py, covering both single-dataset and two-dataset correlation calculations.docs/source/core_classes.rstandREADME.mdto includeBatchCorr.__init__.pyfiles to exposeBatchCorrat the package level.