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R 语言求教： a=4.0e-80,怎么把 a 转成字符串“4.0e-80”而不是“4e-80”

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  •   xyok · Apr 6, 2015 · 1814 views
    This topic created in 4127 days ago, the information mentioned may be changed or developed.
    用as.character(a)会把小数略去了，
    options（digits）设置没效果
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