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fix: not enough data

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This commit is contained in:
Alexander Drozdov
2020-03-11 19:09:59 +02:00
parent d38b1c320b
commit 14be781ce4
1 changed files with 24 additions and 20 deletions
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src/components/trends/PriceTrend.vue
+24 -20
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@@ -13,7 +13,7 @@
<img :src="icon[trend.price.curr].url" :alt="icon[trend.price.curr].text" class="max-w-full max-h-full">
</div>
</div>
<div class="px-2 text-center">
<div v-if="trend.changeStr" class="px-2 text-center">
<div class="leading-tight">
<i v-if="trend.changeStr === 'down'" class="fas fa-angle-double-down pr-1 text-red-600"></i>
<i v-if="trend.changeStr === 'up'" class="fas fa-angle-double-up pr-1 text-green-500"></i>
@@ -22,7 +22,7 @@
</div>
<div class="text-xs text-gray-500 leading-none">Last 7 days</div>
</div>
<div class="w-12 h-8">
<div v-if="trend.changeStr" class="w-12 h-8">
<trend-chart padding="2"
:datasets="[{
data: trend.receive.graphPoints,
@@ -71,26 +71,30 @@ export default {
? { val: trend.receive.chaosValue, curr: 'c' }
: Prices.autoCurrency(trend.receive.chaosValue, 'c')
let changeStr = 'const'
if (trend.receive.graphPoints.length === 7) {
if (
trend.receive.graphPoints.filter(p => p > 0).length >= 4 ||
trend.receive.graphPoints.slice(4).every(p => p > 0)
) {
changeStr = 'up'
} else if (
trend.receive.graphPoints.filter(p => p < 0).length >= 4 ||
trend.receive.graphPoints.slice(4).every(p => p < 0)
) {
changeStr = 'down'
if (trend.receive.graphPoints.length >= 2) {
let changeStr = 'const'
if (trend.receive.graphPoints.length === 7) {
if (
trend.receive.graphPoints.filter(p => p > 0).length >= 4 ||
trend.receive.graphPoints.slice(4).every(p => p > 0)
) {
changeStr = 'up'
} else if (
trend.receive.graphPoints.filter(p => p < 0).length >= 4 ||
trend.receive.graphPoints.slice(4).every(p => p < 0)
) {
changeStr = 'down'
}
}
const n = trend.receive.graphPoints.length
const mean = trend.receive.graphPoints.reduce((a, b) => a + b) / n
const changeVal = Math.sqrt(trend.receive.graphPoints.map(x => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / (n - 1))
return { price, ...trend, changeStr, changeVal }
} else {
return { price, ...trend }
}
const n = trend.receive.graphPoints.length
const mean = trend.receive.graphPoints.reduce((a, b) => a + b) / n
const changeVal = Math.sqrt(trend.receive.graphPoints.map(x => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / (n - 1))
return { price, ...trend, changeStr, changeVal }
},
isValuableBasetype () {
return isValuableBasetype(this.item)