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Data aggregation
Paolo Letizia
·
Jun 20, 2016
·
r-help
Dear All: I have a data frame with 3 columns: "Regime", "Industry", and "Cost". I want to sum the value of "Cost" for each industry and "Regime". Example: The data frame is: Regime, Industry, Cost 10, 01, 370 11, 01...
Importing data from a text file with no separator
Paolo Letizia
·
Jun 8, 2016
·
r-help
I have row data in a text file, where each row consists of 22 numerical characters. Each row consists of three different column but there is no separator. Specifically, the first two characters of the raw represent the first column...
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