Pierre L

Pierre L has asked 4 questions and find answers to 111 problems.

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About

Coding in San Francisco.

r tag mercenary
regex renegade
data.table journeyman
dplyr qualified
Python neophyte
pandas recruit
hello git!
the terminal is your friend

More important than work.

yoga
meditation
running
visual arts
film
music

Pierre L questions

Is there a way to force seasonality from auto.arima
Heatmap plot by value using ggmap

Pierre L answers

Filter/grep functions behaving oddly
How to create a unique ID disambiguating strings in r?
R: Quickly Performing Operations on Subsets of a Data Frame, then Re-aggregating the Result Without an Inner Function
Count number of occurrences when string contains substring
How to efficiently divide successor by predecessor in each column of a dataframe
Add rows to dataframe based on existing rows
Faster alternative to `range(which(..))`
Dplyr pipe (%>%) within mutate()?
String split with conditions in R
De-aggregate / reverse-summarise / expand a dataset in R [duplicate]