jpsmith

jpsmith has asked 7 questions and find answers to 19 problems.

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I am an infectious disease epidemiologist

jpsmith questions

Creating a branching process in R
Assign groups in dataframe using vectors containing start and end indexes
Using pivot_longer for multiple untidy columns
dput() without .internal.selfref in data tables
Issue with sapply when determining if nested list has all NA values in R
Combining/summing two positions in a vector of integers in R

jpsmith answers

Creating a branching process in R
How to remove nth character in string?
How to create a vector between pipes as intermediate step?
Replacing column names with another data frame if matches
How to use %>% and calculate multiple metrics in R?
stringr::str_starts returns TRUE when it shouldn't
Calculating a rolling 14 day average when dates are missing
undo (flatten) tabulation
Select value in first column for which condition in second column is fulfilled
Reorder one row in tibble - move it to the last row