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nmferraro5 lkalesinskas erflynn keyes-timothy jhluu antmarge pre-142-training axmukund eodenyire josephwakim bengalpirate angelinacayabyabr4ds-courses's Issues
L4: rm n_distinct (or put after exercise)
general: tiny urls
add 1 to all
fix error in L2 x1 + 1... when introducing vectors
L2 visual for boxes in garage with labels
Slide 15 in lecture 3 data transformations
Add quotes around values of genes
clean up repo eg . files
skip piping into different position
where should conditional eval go?
general: move exercises before the "friends of" and details
L3 add exercise w/ 2 fns where switching order matters
L3 simplify mutate and ggplot exercise
L2: change example in logicals section to 1:10 > 5
L3 fix select and filter
L4: rm multipivot
L4 banish ntissues
Multiple exercises per slide
Merge exercises so fast people can move on and not wait
Slide 44 lecture 3 data transformation
Change wording referencing "Z-scores." Students try to solve exercise by standardizing the columns, but the columns are already standardized.
L4 grouped mutate
gtex_data %>%
group_by(Ind) %>%
mutate(
diff_from_pb = Blood - min(Blood, na.rm=T)
)
"personal baseline"?
L4: rm other joins
L3 explicit slide re comparing strings in filter
why is ntissues still in cleaning gtex exercise
geoms before facets
L5: simplify or break down fn factory exercise
L5 simple function def exercises
L3 mutate exercise change average to sum
L4: better example for grouping on two columns at once
L4: summarize and plot: fix facet?
show assignment with indexing before doing this with factor example
L2 visual for functions as machines/services with their own named slots + work vans?
split up functions and var assignment
L4 grouped filter
gtex_data %>%
select(Gene, Ind, Lung) %>%
group_by(Ind) %>%
filter(Lung == max(Lung, na.rm=T))
Slide 16 of slide deck lecture 2 r basics
Change code snippet to match graphic from 10 to 2
L4: visual for grouped summarize (eg pull from cheat sheet)
fix L2 challenge read_csv
L5 df$col
Slide 27 of lecture 2 R basics
Change text in first bullet to reflect the code snippet below it
visuals for filter, arrange, select, mutate
L4 abstract join ex -> band members?
band_members %>% inner_join(band_instruments)
L3 e top 5 expression
fix wording "changes"
L5: add salt shaker pic
L3: exercises before conjunctions etc
L1: demo chatGPT, google, stackoverflow
Slide 33 lecture 3 data transformation
Add example of renaming with select
L4: fix Exercise: Max expression change in blood and lung slide
L5: better intuitive functional programming example
factors
fix fct() calls lecture 2
L1 quadroot package
L5 function unit test exercises?
L2 (5) move lists and list indexing to data type part :/
Slide 11 of lecture 3 data transformation
Typo in first filter code line - add quotes around ZZZ3
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