/**
 * PostgreSQL Statistics Tools - Correlation & Regression
 *
 * Two-column statistical analysis tools.
 * 2 tools total.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
/**
 * Correlation analysis
 */
export declare function createStatsCorrelationTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Linear regression
 */
export declare function createStatsRegressionTool(adapter: PostgresAdapter): ToolDefinition;
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