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429页 #140

Closed ssx12345 closed 3 months ago

ssx12345 commented 9 months ago

画圈的两个地方是不是应该去掉呀 IMG_20231001_205551

ssx12345 commented 9 months ago

要去两次均值吗 IMG_20231001_211009_edit_282612201389167

Visualize-ML commented 9 months ago

谢谢你，21.13是先计算z分数，再求协方差，相当于求原始数据相关性系数。

第二个问题没明白。

On Sun, Oct 1, 2023 at 9:11 AM ssx12345 @.***> wrote:

要去两次均值吗 [image: IMG_20231001_211009_edit_282612201389167] https://user-images.githubusercontent.com/117281288/271830216-741d08b8-7fba-4b5d-97e9-d823966f0052.jpg

— Reply to this email directly, view it on GitHub https://github.com/Visualize-ML/Book3_Elements-of-Mathematics/issues/140#issuecomment-1742077488, or unsubscribe https://github.com/notifications/unsubscribe-auth/AZHC6V7CWYB2NQMLPN3UTGLX5FTXJANCNFSM6AAAAAA5OJ6UHY . You are receiving this because you are subscribed to this thread.Message ID: <Visualize-ML/Book3_Elements-of-Mathematics/issues/140/1742077488@ github.com>

ssx12345 commented 9 months ago

你看，我把21.13带进去是不是减了两边u1和u2

------------------ 原始邮件 ------------------ 发件人: "Visualize-ML/Book3_Elements-of-Mathematics" @.>; 发送时间: 2023年10月1日(星期天) 晚上10:29 @.>; @.**@.>; 主题: Re: [Visualize-ML/Book3_Elements-of-Mathematics] 429页 (Issue #140)

谢谢你，21.13是先计算z分数，再求协方差，相当于求原始数据相关性系数。

第二个问题没明白。

On Sun, Oct 1, 2023 at 9:11 AM ssx12345 @.***> wrote:

> 要去两次均值吗 > [image: IMG_20231001_211009_edit_282612201389167] > <https://user-images.githubusercontent.com/117281288/271830216-741d08b8-7fba-4b5d-97e9-d823966f0052.jpg&gt; > > — > Reply to this email directly, view it on GitHub > <https://github.com/Visualize-ML/Book3_Elements-of-Mathematics/issues/140#issuecomment-1742077488&gt;, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AZHC6V7CWYB2NQMLPN3UTGLX5FTXJANCNFSM6AAAAAA5OJ6UHY&gt; > . > You are receiving this because you are subscribed to this thread.Message > ID: <Visualize-ML/Book3_Elements-of-Mathematics/issues/140/1742077488@ > github.com> >

— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: @.***>

ssx12345 commented 9 months ago

你看，我把21.13带进去是不是减了两边u1和u2 ![Uploading IMG_20231001_230812.jpg…]()

Visualize-ML commented 9 months ago

21.13是在求相关性系数

On Sun, Oct 1, 2023 at 11:12 AM ssx12345 @.***> wrote:

你看，我把21.13带进去是不是减了两边u1和u2 [image: Uploading IMG_20231001_230812.jpg…]

— Reply to this email directly, view it on GitHub https://github.com/Visualize-ML/Book3_Elements-of-Mathematics/issues/140#issuecomment-1742111365, or unsubscribe https://github.com/notifications/unsubscribe-auth/AZHC6V2B7TFNQ7MSD2FRF3TX5GB6JANCNFSM6AAAAAA5OJ6UHY . You are receiving this because you commented.Message ID: @.*** com>