sjmisc套件更新，錯誤修正！

Published by 劉正山,

sjmisc 1.5
February 27, 2016

New functions

  • to_long to gather (transform from wide to long format) multiple column groups at once.
  • S3-method model.matrix for nlme::gls class.

Changes to functions

  • std_beta now supports nlme::gls models.

Bug fixes

  • word_wrap now removes NA values from labels before wrapping strings.
  • set_na now drops unused factor levels that have been replaced with NA values (#15). <--這是量化資料分析全班的貢獻！