A closer look at KNN solutions What happens as K varies What happens as D varies Metric 1 RMS Error In Sample vs out of sample Which is worse? Cross v ...
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系统相关 时间:
2019-06-05 09:55:41
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138
a data-centric way to build predictive models The ML problem Supervised regression learning Robot navigation example How it works with stock data Exam ...
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2019-06-05 09:42:34
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137
this lesson => Buffet said two things => (1) investor skill => (2) breadth / the number of investments Grinold's Fundamental Law breadth => more oppor ...
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2019-06-05 09:39:21
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148
The RL problem Trading as an RL problem Mapping trading to RL Markov decision problems Unknown transitions and rewards What to optimize? Learning Proc ...
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2019-06-05 09:32:19
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174
What is an optimizer? Minimization example How to defeat a minimizer Convex problems Building a parameterized model Minimizer finds coefficients What ...
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2019-06-04 12:53:45
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A closer look at daily returns Histogram of daily returns gaussian => kurtosis = 0 How to plot a histogram Computing histogram statistics Select the o ...
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系统相关 时间:
2019-06-04 11:06:36
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Lesson outline Lesson outline Here's an overview of what you'll learn to do in this lesson. Documentation links are for reference. Read in multiple st ...
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2019-06-04 09:47:39
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183
OSPF(OpenShortestPathFirst),目前IGP中应用最广、性能最优的一个协议,具有如下特点:1.可适应大规模网络2.路由变化收敛速度快3.无路由自环4.支持变长子网掩码VLSM5.支持等值路由6.支持区域划分7.提供路由分级管理8.支持验证9.支持以组播地址发送协议一.配置步骤(1)配置各接口的IP地址(略)例SwitchA:<H3C>sys[H3C]hostnam
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其他好文 时间:
2019-06-03 15:59:12
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150
OSPF基本概念:链路状态OSPF路由器收集其所在网络区域上各路由器的连接状态信息,即链路状态信息(Link-State),生成链路状态数据库(Link-StateDatabase)。路由器掌握了该区域上所有路由器的链路状态信息,也就等于了解了整个网络的拓扑状况。OSPF路由器利用“最短路径优先算法(ShortestPathFirst,SPF)”,独立地计算出到达任意目的地的路由。OSPF协议引入
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其他好文 时间:
2019-06-03 14:07:20
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105