library("broadcast")
# matrix example ====
x <- matrix(sample(-1:28), ncol = 5)
colnames(x) <- month.name[1:5]
rownames(x) <- month.abb[1:6]
names(x) <- c(letters[1:20], LETTERS[1:10])
print(x)
#> January February March April May
#> Jan 11 23 2 21 8
#> Feb 12 24 6 28 25
#> Mar 15 5 17 3 10
#> Apr 4 26 27 9 0
#> May 13 19 18 7 1
#> Jun 20 16 -1 22 14
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_bool(x)
#> January February March April May
#> Jan TRUE TRUE TRUE TRUE TRUE
#> Feb TRUE TRUE TRUE TRUE TRUE
#> Mar TRUE TRUE TRUE TRUE TRUE
#> Apr TRUE TRUE TRUE TRUE FALSE
#> May TRUE TRUE TRUE TRUE TRUE
#> Jun TRUE TRUE TRUE TRUE TRUE
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_int(x)
#> January February March April May
#> Jan 11 23 2 21 8
#> Feb 12 24 6 28 25
#> Mar 15 5 17 3 10
#> Apr 4 26 27 9 0
#> May 13 19 18 7 1
#> Jun 20 16 -1 22 14
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_dbl(x)
#> January February March April May
#> Jan 11 23 2 21 8
#> Feb 12 24 6 28 25
#> Mar 15 5 17 3 10
#> Apr 4 26 27 9 0
#> May 13 19 18 7 1
#> Jun 20 16 -1 22 14
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_chr(x)
#> January February March April May
#> Jan "11" "23" "2" "21" "8"
#> Feb "12" "24" "6" "28" "25"
#> Mar "15" "5" "17" "3" "10"
#> Apr "4" "26" "27" "9" "0"
#> May "13" "19" "18" "7" "1"
#> Jun "20" "16" "-1" "22" "14"
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_cplx(x)
#> January February March April May
#> Jan 11+0i 23+0i 2+0i 21+0i 8+0i
#> Feb 12+0i 24+0i 6+0i 28+0i 25+0i
#> Mar 15+0i 5+0i 17+0i 3+0i 10+0i
#> Apr 4+0i 26+0i 27+0i 9+0i 0+0i
#> May 13+0i 19+0i 18+0i 7+0i 1+0i
#> Jun 20+0i 16+0i -1+0i 22+0i 14+0i
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
as_raw(x)
#> January February March April May
#> Jan 0b 17 02 15 08
#> Feb 0c 18 06 1c 19
#> Mar 0f 05 11 03 0a
#> Apr 04 1a 1b 09 00
#> May 0d 13 12 07 01
#> Jun 14 10 00 16 0e
#> attr(,"names")
#> [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s"
#> [20] "t" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J"
################################################################################
# factor example ====
x <- factor(month.abb, levels = month.abb)
names(x) <- month.name
print(x)
#> January February March April May June July August
#> Jan Feb Mar Apr May Jun Jul Aug
#> September October November December
#> Sep Oct Nov Dec
#> Levels: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
as_bool(as_int(x) > 6)
#> January February March April May June July August
#> FALSE FALSE FALSE FALSE FALSE FALSE TRUE TRUE
#> September October November December
#> TRUE TRUE TRUE TRUE
as_int(x)
#> January February March April May June July August
#> 1 2 3 4 5 6 7 8
#> September October November December
#> 9 10 11 12
as_dbl(x)
#> January February March April May June July August
#> 1 2 3 4 5 6 7 8
#> September October November December
#> 9 10 11 12
as_chr(x)
#> January February March April May June July August
#> "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug"
#> September October November December
#> "Sep" "Oct" "Nov" "Dec"
as_cplx(x)
#> January February March April May June July August
#> 1+0i 2+0i 3+0i 4+0i 5+0i 6+0i 7+0i 8+0i
#> September October November December
#> 9+0i 10+0i 11+0i 12+0i
as_raw(x)
#> January February March April May June July August
#> 01 02 03 04 05 06 07 08
#> September October November December
#> 09 0a 0b 0ctypecast
Atomic and List Type Casting With Names and Dimensions Preserved
Description
Type casting usually strips away attributes of objects.
The functions provided here preserve dim, dimnames, names, comment, and broadcaster attributes, which may be more convenient for arrays and array-like objects.
The functions are as follows:
-
as_bool(): converts object to atomic typelogical(TRUE, FALSE, NA). -
as_int(): converts object to atomic typeinteger. -
as_dbl(): converts object to atomic typedouble(AKA numeric). -
as_cplx(): converts object to atomic typecomplex. -
as_chr(): converts object to atomic typecharacter. -
as_raw(): converts object to atomic typeraw. -
as_list(): converts object to recursive typelist.
as_num() is an alias for as_dbl().
as_str() is an alias for as_chr().
See also typeof.
Usage
as_bool(x, ...)
as_int(x, ...)
as_dbl(x, ...)
as_num(x, ...)
as_chr(x, ...)
as_str(x, ...)
as_cplx(x, ...)
as_raw(x, ...)
as_list(x, ...)
Arguments
x
|
an R object. |
β¦
|
further arguments passed to or from other methods. |
Value
The converted object.