（多选）下列关于判定系数R2的说法，正确的有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461394 and id<>'2461394' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461394 and id<>'2461394' order by id asc limit 5