09.qmd (3516B)
1 --- 2 title: Cohort 9 3 --- 4 5 {{< video https://www.youtube.com/embed/3nhMBcL9WNw >}} 6 7 <details> 8 9 <summary>Meeting chat log</summary> 10 ``` 11 00:04:26 Howard Baek: Good to see you again, Olivier 12 00:11:01 Derek Sollberger (he/him): start 13 00:18:16 Olivier Leroy: T is not a restricted name unlike TRUE: 14 00:18:17 Olivier Leroy: > TRUE <-"bob" 15 Error in TRUE <- "bob" : invalid (do_set) left-hand side to assignment 16 > T <- "bob" 17 > 18 00:22:03 Steffi LaZerte (she/her): nchar() 19 00:25:34 Olivier Leroy: A reference from War ? :p 20 00:25:39 Olivier Leroy: Wat 21 00:26:50 Olivier Leroy: (https://www.destroyallsoftware.com/talks/wat) 22 00:32:26 Howard Baek: I found a blog post discussing different flavors of NA: https://www.njtierney.com/post/2020/09/17/missing-flavour/ 23 00:32:47 Olivier Leroy: Brb just checking in an other book 24 00:36:12 Olivier Leroy: > x <- 1L 25 > is.numeric(x) 26 [1] TRUE 27 > y <- 1.4 28 > is.numeric(y) 29 [1] TRUE 30 00:37:20 Olivier Leroy: > x <- 1 31 > is.double(x) 32 [1] TRUE 33 00:39:51 Derek Sollberger (he/him): aside: banker's rounding 34 00:39:56 Olivier Leroy: > x <- 2.8 35 > as.integer(x) 36 [1] 2 37 00:40:04 Olivier Leroy: (truncated) 38 00:40:11 Howard Baek: Non-integral numeric values are truncated towards zero (i.e., as.integer(x) equals trunc(x) there) 39 00:40:29 Howard Baek: I found the above in the help page 40 00:40:34 Olivier Leroy: Reacted to "I found the above in..." with 👍 41 00:40:38 tataphani: Reacted to "I found the above in..." with 👍 42 00:40:39 Steffi LaZerte (she/her): Reacted to "Non-integral numeric..." with 👍🏻 43 00:44:36 Jo Hardin: also, the integer class is complicated because factor variables are integers… sort of 44 00:44:48 Olivier Leroy: Reacted to "also, the integer cl..." with 👍 45 00:44:52 Diana Garcia Cortes: Reacted to "also, the integer cl..." with 👍 46 00:45:38 Howard Baek: Reacted to "also, the integer cl..." with 👍 47 00:45:47 Howard Baek: Reacted to "Screenshot2024_06_07_094000.jpg" with 👍 48 00:46:57 Vania: Reacted to "Screenshot2024_06_07_094000.jpg" with 👍 49 00:47:45 Vania: Replying to "Screenshot2024_06_07_094000.jpg" 50 51 I actually didn’t know this. Really interesting! 52 00:48:59 Steffi LaZerte (she/her): Reacted to "Jo Hardin has sent y..." with 😵💫 53 00:49:08 Jo Hardin: Replying to "Screenshot2024_06_07_094000.jpg" 54 55 i just learned said fact when reading the chapter for today’s meeting. 🙂 56 00:50:53 Diana Garcia Cortes: Reacted to "Screenshot2024_06_07_094000.jpg" with 😵💫 57 00:52:18 Howard Baek: From the help page: 58 59 An array in R can have one, two or more dimensions. It is simply a vector which is stored with additional attributes giving the dimensions (attribute "dim") and optionally names for those dimensions (attribute "dimnames"). 60 A two-dimensional array is the same thing as a matrix. 61 00:53:02 Howard Baek: methods("print") 62 00:58:05 Derek Sollberger (he/him): (just for fun) "How to pronounce 'POSIXct'" 63 https://www.howtopronounce.com/pos(just for fun) "How to pronounce 'POSIXct'" 64 https://www.howtopronounce.com/posixct 65 00:58:15 Steffi LaZerte (she/her): Reacted to "(just for fun) "How ..." with 😂 66 00:58:58 Olivier Leroy: Reacted to "(just for fun) "How ..." with 😂 67 00:59:42 Jo Hardin: gotta run off to a different 10am meeting. thanks, Derek! 68 01:00:07 Steffi LaZerte (she/her): Reacted to "gotta run off to a d..." with 👋🏻 69 01:01:22 Howard Baek: Reacted to "gotta run off to a d..." with 👋🏻 70 01:01:57 Olivier Leroy: Reacted to "gotta run off to a d..." with 👋🏻 71 01:03:14 Derek Sollberger (he/him): end 72 ``` 73 </details>