Go需要良好的数学技能。需要接触基础统计学(即与进行统计分析的人员合作)。
本课程专为决策者设计,他们的主要目标不是进行计算和分析,而是理解这些方法,并能够选择在组织的战略规划中相关的统计方法。
例如,潜在参与者需要决定在做出产品是否推出的决策之前,需要收集多少样本。
如果您需要更长的课程,涵盖统计思维的基础知识,请参考为期5天的“Statistics for Managers”培训。
统计能为决策者Make提供什么
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描述性Statistics
- 基本统计 - 哪些统计量(如中位数、平均值、百分位数等)更适用于不同的分布
- 图表 - 正确绘制的重要性(如图表的绘制方式如何反映决策)
- 变量类型 - 哪些变量更容易处理
- 其他条件不变,事物总是在变化中
- 第三变量问题 - 如何找到真正的影响因素
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推论性Statistics
- 概率值 - P值的意义是什么
- 重复实验 - 如何解释重复实验的结果
- 数据收集 - 你可以减少偏见,但无法完全消除
- 理解置信水平
统计思维
-
在有限信息下做出决策
- 如何检查信息是否足够
- 基于概率和潜在回报优先排序目标(效益/成本比率,决策树)
-
错误如何累积
- 蝴蝶效应
- 黑天鹅事件
- 什么是薛定谔的猫和牛顿的苹果在商业中的意义
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Cassandra问题 - 如何衡量预测,如果行动方针已经改变
- Google流感趋势 - 它为何出错
- 决策如何使预测过时
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Forecasting - 方法与实用性
- ARIMA
- 为什么天真的预测通常更灵敏
- 预测应该回溯到多久以前?
- 为什么更多数据可能意味著更差的预测?
对决策者Make有用的统计方法
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描述双变量数据
- 单变量数据和双变量数据
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概率
- 为什么每次测量时结果会有所不同?
- 正态分布和正态分布的误差
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估计
- 独立信息源和自由度
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假设检验的逻辑
- 什么可以被证明,为什么它总是与我们想要的相反(证伪)
- 解释假设检验的结果
- 检验均值
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功效
- 如何确定一个好的(且成本低的)样本量
- 假阳性和假阴性,以及为什么这总是一个权衡
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