Data Science at the Command Line by Jeroen Janssens

Author:Jeroen Janssens [Jeroen Janssens]
Language: eng
Format: epub, pdf
Tags: Big Data
Publisher: O'Reilly Media, Inc.
Published: 2014-10-09T21:00:00+00:00

$ csvstack Iris-*.csv | sed -n '1p;49,54p' | csvlook |---------------+-------------+--------------+-------------+------------------| | sepal_length | sepal_width | petal_length | petal_width | species | |---------------+-------------+--------------+-------------+------------------| | 4.6 | 3.2 | 1.4 | 0.2 | Iris-setosa | | 5.3 | 3.7 | 1.5 | 0.2 | Iris-setosa | | 5.0 | 3.3 | 1.4 | 0.2 | Iris-setosa | | 7.0 | 3.2 | 4.7 | 1.4 | Iris-versicolor | | 6.4 | 3.2 | 4.5 | 1.5 | Iris-versicolor | | 6.9 | 3.1 | 4.9 | 1.5 | Iris-versicolor | |---------------+-------------+--------------+-------------+------------------|

If the species column did not exist, you could have created a new column based on the filename using csvstack:

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