From 2d4e1b7d0468b8595e4cc8e935c0214af7f6588b Mon Sep 17 00:00:00 2001
From: Matt Greenfield <matt@bigpaua.com>
Date: Wed, 22 Aug 2018 18:11:57 +0700
Subject: [PATCH] go back to discarding zero stepHz values for walking models
 #34

---
 LocoKit/Base/ActivityTypes/MutableActivityType.swift | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/LocoKit/Base/ActivityTypes/MutableActivityType.swift b/LocoKit/Base/ActivityTypes/MutableActivityType.swift
index f8656291..d2d02a61 100644
--- a/LocoKit/Base/ActivityTypes/MutableActivityType.swift
+++ b/LocoKit/Base/ActivityTypes/MutableActivityType.swift
@@ -59,8 +59,9 @@ open class MutableActivityType: ActivityType {
             if sample.movingState == .moving {
                 totalMoving += 1
             }
-            
-            if let stepHz = sample.stepHz {
+
+            // ignore zero stepHz for walking, because it's a far too common gap in the raw data
+            if let stepHz = sample.stepHz, (self.name != .walking || stepHz > 0) {
                 allStepHz.append(stepHz)
             }