<div class="left"> <div class="fulltrend" :class="{ full: flag1 }"> <trend class="trend" ref="trend2"> </trend> <div class="iconfont icon-expand-alt icon" @click="fullscreen1" v-if="!flag1" ></div> <div class="iconfont icon-compress-alt icon" @click="smallscreen1" v-else ></div> </div> <div class="fullseller" :class="{ full: flag }"> <seller class="seller" ref="seller2"></seller> <div class="iconfont icon-expand-alt icon" @click="fullscreen" v-if="!flag" ></div> <div class="iconfont icon-compress-alt icon" @click="smallscreen" v-else ></div> </div> </div> <div class="center"> <div class="fullmap" :class="{ full: flag5 }"> <Map class="map" ref="map2"></Map> <div class="iconfont icon-expand-alt icon" @click="fullscreen5" v-if="!flag5" ></div> <div class="iconfont icon-compress-alt icon" @click="smallscreen5" v-else ></div> </div> <div class="fullrank" :class="{ full: flag2 }"> <rank class="rank" ref="rank2"></rank> <div class="iconfont icon-expand-alt icon" @click="fullscreen2" v-if="!flag2" ></div> <div class="iconfont icon-compress-alt icon" @click="smallscreen2" v-else ></div> </div> </div>优化

掌握时间序列预测：Seasonal-Trend在PyTorch中的应用

2. 趋势（Trend）和季节性（Seasonality）: 趋势指的是时间序列数据在长时间跨度内的上升或下降的整体运动方向，而季节性是指数据在固定时间间隔（如每年、每月或每日）重复出现的模式。理解并建模这两者对于提高...

稳定盈利的xBest_Trend趋势型EA及止损功能解析

资源摘要信息:"xBest_Trend-TL_xBest_Trend_TrendEA_ea_趋势ea" 在金融市场交易自动化领域，"EA"（Expert Advisor，专家顾问）是指利用特定算法和交易逻辑在外汇、股票、期货等市场自动执行交易的软件程序。EA通常...

优化 2019-01-01 00:00:00 <trend class="trend" ref="trend2"> </trend> <seller class="seller" ref="seller2"></seller>

1. 使用图片懒加载技术，减少页面加载时间和图片请求次数 2. 对于频繁变化的元素，如日期时间，可以使用客户端JS更新，减轻服务器压力 3. 对于CSS样式，可以使用CSS预处理器如Sass或Less等，减少重复代码和提高样式...

<trend class="trend" ref="trend2"> </trend> <seller class="seller" ref="seller2"></seller> data() { return { flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, flag6:false, } }, computed:{ ...mapState(["theme"]) }, methods:{ changeTheme(){ this.$store.commit("tabTheme") }, full1(){ this.flag1= true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, full2() { this.flag2 = true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, full3() { this.flag3 = true; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, full4() { this.flag4 = true; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, full5() { this.flag5 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); }, full6() { this.flag6 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); },的优化

<div v-for="(flag, index) in flags" :key="index" :class="['full' + index]" :class="{ full: flag }"> <component :is="'component' + (index + 1)" :ref="'component' + (index + 1)"></component> <div ...

<hot class="hot" ref="hot2"></hot> <stock class="stock" ref="stock2"></stock> data() { return { flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, flag6: false, }; }, components: { hot, seller, trend, Map, rank, stock, }, methods: { changetheme() { this.$store.commit("tabtheme"); }, fullscreen1() { this.flag = true; this.$nextTick(() => { this.$refs.seller2.changesize(); }); }, fullscreen2() { this.flag1 = true; this.$nextTick(() => { this.$refs.trend2.screenAdapter(); }); }, fullscreen3() { this.flag2 = true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, fullscreen4() { this.flag3 = true; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, fullscreen5() { this.flag4 = true; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, fullscreen6() { this.flag5 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); },优化后代码

<div class="fullhot" :class="{ full: flag4 }"> <hot class="hot" ref="hot2"></hot> <div class="iconfont icon-expand-alt icon" @click="fullscreen4" v-if="!flag4"></div> <div class="iconfont icon-...

<seller class="seller" ref="seller2"></seller> <Map class="map" ref="map2"></Map> data() { return { flag: false, flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, }; }, components: { hot, seller, trend, Map, rank, stock, },small() { this.flag = false; this.$nextTick(() => { this.$refs.seller2.changesize(); }); }, small1() { this.flag1 = false; this.$nextTick(() => { this.$refs.trend2.screenAdapter(); }); }, small2() { this.flag2 = false; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, small3() { this.flag3 = false; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, small4() { this.flag4 = false; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, small5() { this.flag5 = false; this.$nextTick(() => { this.$refs.map2.screenAdapter(); });优化后代码

<div class="fullseller" :class="{ full: flag }"> <seller class="seller" ref="seller2"></seller> <div class="iconfont icon-expand-alt icon" @click="full" v-if="!flag" ></div> </div> <div class=...

<stock class="stock" ref="stock2"></stock> data() { return { flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, flag6: false, }; }, components: { hot, seller, trend, Map, rank, stock, }, methods: { changetheme() { this.$store.commit("tabtheme"); }, fullscreen1() { this.flag = true; this.$nextTick(() => { this.$refs.seller2.changesize(); }); }, fullscreen2() { this.flag1 = true; this.$nextTick(() => { this.$refs.trend2.screenAdapter(); }); }, fullscreen3() { this.flag2 = true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, fullscreen4() { this.flag3 = true; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, fullscreen5() { this.flag4 = true; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, fullscreen6() { this.flag5 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); },优化后代码

<div class="fullstock" :class="{ full: flag5 }"> <stock class="stock" ref="stock2"></stock> <div class="iconfont icon-expand-alt icon" @click="fullscreen5" v-if="!flag5"></div> <div class=...

<stock class="stock" ref="stock2"></stock> </template> <script> import { mapState } from "vuex"; import hot from "@/components/Hot.vue"; import seller from "@/components/Seller.vue"; import trend from "@/components/Trend.vue"; import Map from "@/components/Map.vue"; import rank from "@/components/Rank.vue"; import stock from "@/components/Stock.vue"; export default { name: "HomeView", data() { return { flag: false, flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, }; }, components: { hot, seller, trend, Map, rank, stock, }, methods: { changetheme() { this.$store.commit("tabtheme"); }, fullscreen() { this.flag = true; this.$nextTick(() => { this.$refs.seller2.changesize(); }); }, fullscreen1() { this.flag1 = true; this.$nextTick(() => { this.$refs.trend2.screenAdapter(); }); }, fullscreen2() { this.flag2 = true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, fullscreen3() { this.flag3 = true; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, fullscreen4() { this.flag4 = true; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, fullscreen5() { this.flag5 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); }, smallscreen() { this.flag = false; this.$nextTick(() => { this.$refs.seller2.changesize(); }); },优化后代码

<div class="fullstock" :class="{ full: flag4 }"> <stock class="stock" ref="stock2"></stock> <div class="iconfont icon-expand-alt icon" @click="fullscreen4" v-if="!flag4"></div> <div class="iconfont...

resultMap="TrendMap"报错 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.example.lottery.mapper.TrendMapper"> <resultMap id="TrendMap" type="com.example.lottery.entity.Trend"> <result column="date" property="date" jdbcType="VARCHAR" /> <result column="count" property="count" jdbcType="INTEGER" /> </resultMap> <select id="selectTrend" resultMap="TrendMap"> SELECT DATE_FORMAT(lottery_time, '%Y-%m-%d') as date, COUNT(*) as count FROM lottery WHERE lottery_time BETWEEN #{weekBegin} AND NOW() GROUP BY DATE_FORMAT(lottery_time, '%Y-%m-%d') ORDER BY DATE_FORMAT(lottery_time, '%Y-%m-%d') DESC </select> </mapper> TrendMapper.java 复制 @Mapper public interface TrendMapper { List<Trend> selectTrend(@Param("weekBegin") Date weekBegin); }

在 MyBatis 中，resultMap 属性的值应该是一个已经定义的 resultMap 的 ID，但是在你的 XML 中，resultMap 的值是 TrendMap，而没有对应的 ID 定义。因此，你需要在 XML 中定义一个 ID 为 TrendMap 的 resultMap，...

利用这个代码多写5条线study(title = "CM_EMA Trend Bars", shorttitle="CM_EMA TrendBars",overlay=true) ema1 = input(34, minval=1, maxval=300, title="EMA UpTrend") shema = input(true, title="Show EMA Trend is Based On?") usedEma = ema(close, ema1) emaUpColor() => hlc3 >= usedEma emaDownColor() => hlc3 < usedEma col = hlc3 >= usedEma ? lime : hlc3 < usedEma ? red : white barcolor(emaUpColor() ? lime: emaDownColor() ? red : na) plot(shema and usedEma ? usedEma : na, title="EMA", style=line, linewidth=3, color=col)

这段代码是一个TradingView上的Pine Script，它基于输入的EMA34线，通过判断当前价格与EMA34线的关系，... ema2 : na, title="EMA2", style=line, linewidth=1, color=blue)。这样就可以在同一个图表上显示6条EMA线了。

data() { return { flag: false, flag1: false, flag2: false, flag3: false, flag4: false, flag5: false, }; }, components: { hot, seller, trend, Map, rank, stock, }, methods: { changetheme() { this.$store.commit("tabtheme"); }, full() { this.flag = true; this.$nextTick(() => { this.$refs.seller2.changesize(); }); }, full1() { this.flag1 = true; this.$nextTick(() => { this.$refs.trend2.screenAdapter(); }); }, full2() { this.flag2 = true; this.$nextTick(() => { this.$refs.rank2.screenAdapter(); }); }, full3() { this.flag3 = true; this.$nextTick(() => { this.$refs.hot2.screenAdapter(); }); }, full4() { this.flag4 = true; this.$nextTick(() => { this.$refs.stock2.screenAdapter(); }); }, full5() { this.flag5 = true; this.$nextTick(() => { this.$refs.map2.screenAdapter(); }); },优化后代码

this.$nextTick(() => { switch (index) { case 0: this.$refs.seller2.changesize(); break; case 1: this.$refs.trend2.screenAdapter(); break; case 2: this.$refs.rank2.screenAdapter(); ...

public class TrendServiceImpl implements TrendService { @Autowired private TrendDao trendDao; @Autowired private RedisTemplate<String, List<LotteryStatisticsPrizeEntity>> redisTemplate; @Override public List<LotteryStatisticsPrizeEntity> getTrend() { String key = "trend"; List<LotteryStatisticsPrizeEntity> trendList = redisTemplate.opsForValue().get(key); if (trendList != null) { return trendList; } Date weekBegin = getWeekBegin(); trendList = trendDao.selectTrend(weekBegin); redisTemplate.opsForValue().set(key, trendList, Duration.ofMinutes(10)); return trendList; } private Date getWeekBegin() { Calendar cal = Calendar.getInstance(); cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTime(); }

这段代码是一个 Java 类中的一个方法，它实现了 TrendService 接口中的 getTrend() 方法。该方法使用了 Autowired 注解注入了 TrendDao 和 RedisTemplate 对象。在该方法中，首先定义了一个 key 变量，用于存储 ...

def is_trend_up(data): result = seasonal_decompose(data, model='multiplicative') trend = result.trend trend_up = [i for i in range(1, len(trend)) if trend[i] > trend[i - 1]] return len(trend_up) 解释这段代码

这段代码是一个函数，名字叫做 "is_trend_up"，它接受一个参数 "data"。首先使用 "seasonal_decompose" 函数将 "data" 进行季节性分解，并且使用 "multiplicative" 模型。这会得到一个 "result" 对象，这个对象里面...

在本周第一天基础上，添加本月第一天本年第一天<select id="selectTrend" resultMap="BaseResultMap"> SELECT DATE_FORMAT(statistics_date, '%Y-%m-%d') as statisticsDate, COUNT(*) as lotteryWinCount FROM t_lottery_statistics_prize WHERE statistics_date BETWEEN #{weekBegin} AND NOW() GROUP BY DATE_FORMAT(statistics_date, '%Y-%m-%d') ORDER BY DATE_FORMAT(statistics_date, '%Y-%m-%d') DESC </select>

public List<Trend> selectTrend(Date weekBegin) { Date monthBegin = ... // 计算本月第一天的值 Date yearBegin = ... // 计算本年第一天的值 Map<String, Object> paramMap = new HashMap<>(); paramMap....

import pandas as pd import numpy as np import matplotlib.pyplot as plt # 读取数据 data = pd.read_csv('data.csv') # 计算收益率 data['return'] = np.log(data['close']) - np.log(data['close'].shift(1)) # 计算移动平均线 data['MA5'] = data['close'].rolling(window=5).mean() data['MA10'] = data['close'].rolling(window=10).mean() # 判断市场趋势 if data['MA5'].iloc[-1] > data['MA10'].iloc[-1]: trend = 'up' else: trend = 'down' # 趋势跟踪策略 if trend == 'up': position = 1 # 买入 else: position = 0 # 空仓 # 设置止损点和止盈点 stop_loss = 0.05 # 止损点为5% take_profit = 0.1 # 止盈点为10% # 循环进行交易 for i in range(1, len(data)): # 如果市场处于上涨趋势中，买入股票或期货等资产 if trend == 'up': # 如果收益率小于止损点，触发止损点，平仓并且空仓对冲 if data['return'].iloc[i] < -stop_loss: position = 0 trend = 'down' # 如果收益率大于止盈点，触发止盈点，平仓并且空仓对冲 elif data['return'].iloc[i] > take_profit: position = 0 trend = 'down' # 如果收益率在止损点和止盈点之间，继续持有多头仓位 else: position = 1 # 如果市场处于下跌趋势中，空仓对冲 else: position = 0 # 计算资产净值 data['net_value'].iloc[i] = data['net_value'].iloc[i-1] * (1 + data['return'].iloc[i] * position) # 绘制净值曲线 plt.plot(data['date'], data['net_value']) plt.xlabel('Date') plt.ylabel('Net Value') plt.title('Trend Following Strategy') plt.show()修改为币安交易所读取合约数据

if data['MA5'].iloc[-1] > data['MA10'].iloc[-1]: trend = 'up' else: trend = 'down' # 趋势跟踪策略 if trend == 'up': position = 1 # 买入 else: position = 0 # 空仓 # 设置止损点和止盈点 stop_loss =...

import numpy as np from statsmodels.tsa.seasonal import seasonal_decompose from sklearn.mixture import GaussianMixture # 用于判断时序数据是否是冲高异常 def is_outlier(data, thres=3.5): mean = np.mean(data) std = np.std(data) z_scores = [(y - mean) / std for y in data] return len([y for y in z_scores if np.abs(y) > thres]) # 用于判断时序数据是否是趋势上涨异常 def is_trend_up(data): result = seasonal_decompose(data, model='multiplicative') trend = result.trend trend_up = [i for i in range(1, len(trend)) if trend[i] > trend[i - 1]] return len(trend_up) # 用于判断时序数据是否是频率变化异常 def is_freq_change(data): gmm = GaussianMixture(n_components=2) gmm.fit(data.reshape(-1, 1)) labels = gmm.predict(data.reshape(-1, 1)) return len([i for i in labels if i == 1]) 解释这段代码

这些是 Python 代码。 - import numpy as np 引入了 numpy 库，并将其重命名为 np。numpy 是 Python 中用于科学计算的常用库。 - from statsmodels.tsa.seasonal import seasonal_decompose 引入了 ...

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Mann-Kendall Trend Test with SENS Excel Template for Atmospheric Pollution Analysis

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