TīmeklisR语言通过在函数中设置na.rm=TRUE参数、在计算和分析中删除缺失值获得有效的计算结果(Excluding Missing Values from Analyses). # x <- c (1,2,NA,3) mean (x) # … TīmeklisRA: Resynchronize Acknowledgement (ITU-T) RA: Regulatory Alternative: RA: Radiocommunication Act: RA: Robot Aircraft: RA: Run Aggressive (Front Page Sports Football '95 et al) RA: Reimbursement Authorization: RA: Red Armageddon (gaming clan) RA: Roundhead Association (historical reenactment group) RA: Record …
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