Gopalakrishna Palem

Gopalakrishna Palem has asked 8 questions and find answers to 3 problems.

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Gopalakrishna Palem

Management & Strategy Consultant

http://gk.palem.in/

Gopalakrishna Palem questions

String grouping (aggregation) with data.table (R 3.1.1)
How to pass Lambda expression parameter by Reference for C++0x
How to specify custom return value for Max, Min in R for empty input (instead of the default +Inf and -Inf)?
How to generate @timestamp in logstash by combining two fields / columns of input csv
Fastest way for filling-in missing dates for data.table
Fastest way to extract hour from time (HH:MM)
Remove rows conditionally from a data.table in R

Gopalakrishna Palem answers

R: Applying a function to all row-pairs of a matrix without for loop