R,knitr,pander - 如何很好地格式化日期摘要()

感谢错误报告,它的开发版本pander现在应该正确呈现:

> pander::pander(summary(as.Date('2015-01-01') + 1:100))

-----------------------------------------------------------------
   Min.     1st Qu.     Median      Mean     3rd Qu.      Max.   
---------- ---------- ---------- ---------- ---------- ----------
2015-01-02 2015-01-26 2015-02-20 2015-02-20 2015-03-17 2015-04-11
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