Merge pull request #1 from joeyism/master

Added longer eval periods

Author: rufname

README.md

@@ -38,4 +38,4 @@ console.log(binner.hist);
 
 Possible bin sizes are: **day, hour, minute, second**
 
-Available evaluation periods are: **week, day, hour**
+Available evaluation periods are: **year**, **month**, **week, day, hour**

npm-debug.log

@@ -45,6 +45,12 @@ module.exports = function(evalPeriodString, binSizeString, excludeBursts) {
 	//evalPeriod also corresponds to the number of possible bins
 	//week, day, hour
 	switch (evalPeriodString.toLowerCase()) {
+        case "year": 
+            evalPeriod = 31536000000 / binSize;
+            break;
+        case "month": 
+            evalPeriod = 2592000000 / binSize;
+            break;
 		case "week":
 			evalPeriod = 604800000 / binSize;
 			break;
@@ -117,4 +123,4 @@ module.exports = function(evalPeriodString, binSizeString, excludeBursts) {
 			}
 		}
 	};
-};
+};