做逐步回归时,出现如下提示是什么问题,该如何解决,R菜鸟一枚,谢谢指教!
Error in step(lm1) :
number of rows in use has changed: remove missing values?
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楼主: luzaijiaoxia06
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5972
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[实际应用] 逐步回归问题 |
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大专生 0%
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回帖推荐rq(formula, tau=.5, data, subset, weights, na.action,
method="br", model = TRUE, contrasts, ...)
Argument中设置na.action
na.action
a function to filter missing data. This is applied to the model.frame after any subset argument has been used. The default (with na.fail) is to create an error if any missing values are found. A possible alternative is na.omit, which deletes observations that c ...
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