04-14-2010
Sorry to be a pedant, but what command did you type?
All four of the sample commands posted contain logic errors, syntax errors, or typing errors? Space characters are very important in this type of command line.
These were the command lines posted: The first two are identical and have no space character after "-o". The third omits the "-o" switch. The fourth is not really relevant.
Quote:
join -t"|" -o'1.1 1.2 1.3 2.1 2.3' Courses.txt Grades.txt > Merged.txt
join -t"|" -o'1.1 1.2 1.3 2.1 2.3' Courses.txt Grades.txt > Merged.txt
join -t"|" -1 1 -2 1 Courses.txt Grades.txt > Merged.txt
join -t"|" -a1 Courses.txt Grades.txt > Merged.txt
Please post the exact command typed and run it on the sample data posted and then post the output (all within code tags).
On the off-chance .... have any of the data files been copied from a Microsoft Operating System?
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LEARN ABOUT DEBIAN
mpi_kmeans
MPI_KMEANS(1) General Commands Manual MPI_KMEANS(1)
NAME
mpi_kmeans - K-Means clustering tool
SYNOPSIS
mpi_kmeans [options]
DESCRIPTION
mpi_kmeans is a program that uses k-means clustering to produce a list of cluster centers. The resulting data can be used by mpi_assign(1)
to assign points to those cluster centers.
OPTIONS
A summary of options is included below.
Generic Options:
--help Produce help message
Input/Output Options:
--data file
Training file, one datum per line (default: "data.txt")
--output file
Output file, one cluster center per line (default: "output.txt")
K-Means Options:
--k num
Number of clusters to generate (default: 100)
--restarts num
Number of k-means restarts (default: 0 = single run)
--maxiter num
Maximum number of k-means iterations (default: 0 = infinity)
EXAMPLES
mpi_kmeans --k 2 --data example.txt --output clusters.txt
SEE ALSO
mpi_assign(1)
AUTHOR
mpi_kmeans was written by Peter Gehler <peter.gehler@tuebingen.mpg.de>.
This manual page was written by Christian Kastner <debian@kvr.at>, for the Debian project (and may be used by others).
April 11, 2011 MPI_KMEANS(1)