请问为什么用arima模型做预测结果为一条直线；用什么来衡量时间序列模型预测的好坏？用的r语言 知乎 Sketch Coloring Page

请问为什么用arima模型做预测结果为一条直线；用什么来衡量时间序列模型预测的好坏？用的r语言 知乎 Template

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sketch #22

anonymous

anonymous
sketch #22

sketch #5149 Daenerys Targaryen by Jorge Valero

anonymous

anonymous
sketch #5149 Daenerys Targaryen by Jorge Valero

sketch #4176 Eye by Jawad Kallou

anonymous

anonymous
sketch #4176 Eye by Jawad Kallou

sketch #135 TYGER Style

Jaroslav Florian
sketch #135 TYGER Style

sketch #2852 Teddy Zorka Edding Giustinianovic

Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic

sketch #4493 Jimi Hendrix by Alex Stoun

anonymous

anonymous
sketch #4493 Jimi Hendrix by Alex Stoun

sketch #5218 Marshall Lee Dj-ionut Manelomania

anonymous

anonymous
sketch #5218 Marshall Lee Dj-ionut Manelomania

sketch #1170

anonymous

anonymous
sketch #1170

sketch #5279

anonymous

anonymous
sketch #5279

sketch #4362 cow

anonymous

anonymous
sketch #4362 cow

sketch #3404 Terminator by Enrique L. Manly

anonymous

anonymous
sketch #3404 Terminator by Enrique L. Manly

sketch #3197 Dragon by Yuryi Zambrano

anonymous

anonymous
sketch #3197 Dragon by Yuryi Zambrano

sketch #4653 Kero by Indike Liyanage

anonymous

anonymous
sketch #4653 Kero by Indike Liyanage

sketch #5293

anonymous

anonymous
sketch #5293

sketch #5123

anonymous

anonymous
sketch #5123

sketch #2784

John Davis
sketch #2784

sketch #2818 Hellboy by يآآسر محمد

يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد

sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

sketch #2464 Spongebob by sketchmaster

sketchmaster
sketch #2464 Spongebob by sketchmaster

sketch #2639 Marilyn by sketchmaster

sketchmaster
sketch #2639 Marilyn by sketchmaster

sketch #805

Laura Agapi Asnicar
sketch #805

sketch #4446 EDDIE by يآآسر محمد

anonymous

anonymous
sketch #4446 EDDIE by يآآسر محمد

sketch #5177

anonymous

anonymous
sketch #5177

sketch #2939 Eye by Kimmy Kitty Perry Priemus

anonymous

anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus

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 #4891 Pikachu by Resul Danacı

anonymous

anonymous
sketch #4891 Pikachu by Resul Danacı

sketch #3643

anonymous

anonymous
sketch #3643

sketch #3620 Dude by Arasheel Eomseii

anonymous

anonymous
sketch #3620 Dude by Arasheel Eomseii

sketch #4974 Eminem by Juan Garcia

anonymous

anonymous
sketch #4974 Eminem by Juan Garcia

sketch #68512

anonymous

anonymous
sketch #68512

tomski请问为什么用arima模型做预测结果为一条直线；用什么来衡量时间序列模型预测的好坏？用的r语言 知乎 coloring

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