fix: avoid -0

sgratzl · sgratzl · commit 1d591111cc28 · 2021-04-15T17:19:28.000-04:00
diff --git a/src/data/correlation.js b/src/data/correlation.js
@@ -79,7 +79,7 @@ function generateLags(a, b) {
     const bLag = b.slice(lag - i, b.length - i);
     const bValuesLag = bValues.slice(lag - i, b.length - i);
     const model = linear(zip(aWindowValues, bValuesLag));
-    lags.push(asLag(-i, model, aWindow, bLag));
+    lags.push(asLag(i === 0 ? 0 : -i, model, aWindow, bLag));
   }
 
   for (let i = 1; i <= lag; i++) {

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,7 @@ function generateLags(a, b) {`
`79`	`79`	`const bLag = b.slice(lag - i, b.length - i);`
`80`	`80`	`const bValuesLag = bValues.slice(lag - i, b.length - i);`
`81`	`81`	`const model = linear(zip(aWindowValues, bValuesLag));`
`82`		`- lags.push(asLag(-i, model, aWindow, bLag));`
	`82`	`+ lags.push(asLag(i === 0 ? 0 : -i, model, aWindow, bLag));`
`83`	`83`	`}`
`84`	`84`
`85`	`85`	`for (let i = 1; i <= lag; i++) {`