get second sub entry of every list element in r (example) | extract 2nd value | sapply function
Published 3 years ago • 333 plays • Length 2:39Download video MP4
Download video MP3
Similar videos
-
3:25
get frequency of elements with certain value in r (2 examples) | table function in r programming
-
4:33
get all factor levels of vector & data frame column in r (2 examples) | factor(), levels(), sapply()
-
2:29
extract every nth element of a vector in r (example) | return subset with seq & length functions
-
3:32
sum of list elements in r (2 examples) | calculate within & between | reduce() & sapply() function
-
2:45
create list with names but no entries in r (example) | empty elements | sapply() function & null
-
3:39
get value of data element without name or index in r | double square brackets, as.vector & as.double
-
3:34
find elements in list (2 examples) | identify & select items from lists | which & sapply functions
-
2:33
extract names of list elements in r (2 examples) | return object name | names() function & index
-
4:53
return index position of element in matrix using which() function in r (example) | arr.ind argument
-
2:36
select multiple elements from list in r (example) | extract & subset lists | list() & c() functions
-
4:02
index element of list in r (example) | extract / subset items by indices | data frame & nested list
-
4:17
apply function to each list element in r (3 examples) | mean & sum for every item | lapply & sapply
-
3:12
find index of element in vector in r (2 examples) | match & which functions
-
2:34
create list with single value in r (example) | how to apply the list() function | only one element
-
4:03
which() function & data frame in r (2 examples) | specify logical condition | extract certain rows
-
3:07
find unique combinations of all elements from two vectors in r (2 examples) | expand.grid & crossing
-
6:14
create nested list in r (2 examples) | for-loop, list, length & get functions explained in rstudio
-
3:14
count elements that satisfy a logical condition in r (2 examples) | how many entries? | sum function