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FMStation

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

4Â¥2016-09-28 15:32:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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FMStation

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

http://www.cnblogs.com/Bfrican/p/4430197.html

1£©The simplest function for counting the number of observations that take on a value is the tabulate function¡£¸Ãº¯Êý¶ÔÏòÁ¿ÖеÄÔªËØÊýÁ¿¼ÆÊý£¬½ÓÊÕÿһ¸öÕûÊýÖµ£¬·µ»ØÒ»¸ö¼ÆÊý½á¹ûÏòÁ¿¡£

ÀýÈ磬¶Ôhit 0 HR, 1 HR, 2 HR, 3 HRµÈµÄÇòÔ±¸öÊý¼ÆÊý£¡
CODE:
> HR.cnts <- tabulate(batting.w.names.2008$HR)

> # tabulate doesn't label results, so let's add names:

> names(HR.cnts) <- 0:(length(HR.cnts) - 1)

2£©Ò»¸öÏà¹ØµÄº¯Êý(¶ÔÓÚ·ÖÀàÖµ)ÊÇtableº¯Êý¡£
CODE:
table(..., exclude = if (useNA == "no") c(NA, NaN), useNA = c("no",
"ifany", "always"), dnn = list.names(...), deparse.level = 1)

2Â¥2016-09-23 19:59:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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ÒýÓûØÌû:
2Â¥: Originally posted by FMStation at 2016-09-23 19:59:40
http://www.cnblogs.com/Bfrican/p/4430197.html

1£©The simplest function for counting the number of observations that take on a value is the tabulate function¡£¸Ãº¯Êý¶ÔÏòÁ¿ÖеÄÔªËØÊýÁ¿¼ÆÊý£¬½ÓÊÕÿһ ...

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