高中数学中为什么回归方程中用r^2来表示回归直线直线的拟合度，或者说r^2的推出用来表示的意义在哪？ 知乎 Sketch Coloring Page

高中数学中为什么回归方程中用r^2来表示回归直线直线的拟合度，或者说r^2的推出用来表示的意义在哪？ 知乎 Template

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anonymous

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sketch #1226 the man

anonymous

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sketch #3707 The Thinker

anonymous

anonymous
sketch #3707 The Thinker

sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

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anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

sketch #3390 Beautiful drawing by Jessie Lightwood

anonymous

anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #5279

anonymous

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sketch #4857 Eye by Thu Seba Piñeraa

anonymous

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sketch #4857 Eye by Thu Seba Piñeraa

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sketch #1168

anonymous

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sketch #4349 Cícero Николай Герасимов

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anonymous
sketch #4349 Cícero Николай Герасимов

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anonymous

anonymous
sketch #3012 Girl by Safa M. Esam Srk

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sketch #1463

Laura Agapi Asnicar
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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #4264 oh yeah

anonymous

anonymous
sketch #4264 oh yeah

sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero

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anonymous
sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero

sketch #1043 Deadoo..

Cherie N Patanao
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anonymous
sketch #4883 White tiger by Kayson Danielle

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anonymous

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sketch #4895 Cat by Gaurav Patel

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anonymous
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anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus

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anonymous

anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

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sketch #3769 The Beatles by يآآسر محمد

anonymous

anonymous
sketch #3769 The Beatles by يآآسر محمد

sketch #3586

anonymous

anonymous
sketch #3586

sketch #126

Chris Shrimp Lonsdale
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sketch #5083

anonymous

anonymous
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tomski高中数学中为什么回归方程中用r^2来表示回归直线直线的拟合度，或者说r^2的推出用来表示的意义在哪？ 知乎 coloring

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