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PROGRAM:

NAME


mlpack_fastmks - fastmks (fast max-kernel search)

SYNOPSIS


mlpack_fastmks [-h] [-v] [-w double] [-b double] [-d double] [-i string] [-m string] [-k int] [-K string] [-p string] [-N] [-o double] [-M string] [-q string] [-r string] [-s double] [-S] -V

DESCRIPTION


This program will find the k maximum kernel of a set of points, using a query set and a
reference set (which can optionally be the same set). More specifically, for each point in
the query set, the k points in the reference set with maximum kernel evaluations are
found. The kernel function used is specified by --kernel.

For example, the following command will calculate, for each point in ’query.csv', the five
points in 'reference.csv' with maximum kernel evaluation using the linear kernel. The
kernel evaluations are stored in 'kernels.csv' and the indices are stored in
'indices.csv'.

$ fastmks --k 5 --reference_file reference.csv --query_file query.csv --indices_file
indices.csv --kernels_file kernels.csv --kernel linear

The output files are organized such that row i and column j in the indices output file
corresponds to the index of the point in the reference set that has i'th largest kernel
evaluation with the point in the query set with index j. Row i and column j in the kernels
output file corresponds to the kernel evaluation between those two points.

This executable performs FastMKS using a cover tree. The base used to build the cover tree
can be specified with the --base option.

OPTIONS


--bandwidth (-w) [double]
Bandwidth (for Gaussian, Epanechnikov, and triangular kernels). Default value 1.

--base (-b) [double]
Base to use during cover tree construction. Default value 2.

--degree (-d) [double]
Degree of polynomial kernel. Default value 2.

--help (-h)
Default help info. --indices_file (-i) [string] File to save indices of kernels
into. Default value ''.

--info [string]
Get help on a specific module or option. Default value ''. --input_model_file
(-m) [string] File containing FastMKS model. Default value ’'.

--k (-k) [int]
Number of maximum kernels to find. Default value 0.

--kernel (-K) [string]
Kernel type to use: 'linear', 'polynomial', ’cosine', 'gaussian', 'epanechnikov',
’triangular', 'hyptan'. Default value ’linear'. --kernels_file (-p) [string] File
to save kernels into. Default value ''.

--naive (-N)
If true, O(n^2) naive mode is used for computation.

--offset (-o) [double]
Offset of kernel (for polynomial and hyptan kernels). Default value 0.
--output_model_file (-M) [string] File to save FastMKS model to. Default value ’'.

--query_file (-q) [string]
File containing the query dataset. Default value ''. --reference_file (-r)
[string] File containing the reference dataset. Default value ''.

--scale (-s) [double]
Scale of kernel (for hyptan kernel). Default value 1.

--single (-S)
If true, single-tree search is used (as opposed to dual-tree search.

--verbose (-v)
Display informational messages and the full list of parameters and timers at the
end of execution.

--version (-V)
Display the version of mlpack.

ADDITIONAL INFORMATION


ADDITIONAL INFORMATION


For further information, including relevant papers, citations, and theory, For further
information, including relevant papers, citations, and theory, consult the documentation
found at http://www.mlpack.org or included with your consult the documentation found at
http://www.mlpack.org or included with your DISTRIBUTION OF MLPACK. DISTRIBUTION OF
MLPACK.

mlpack_fastmks(1)

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