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Adds kernel parameter to grid.py #156

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Adds kernel parameter to grid.py #156

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28 changes: 17 additions & 11 deletions tools/grid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ def __init__(self, dataset_pathname, options):
# svmtrain_pathname = r'c:\Program Files\libsvm\windows\svm-train.exe'
self.gnuplot_pathname = r'c:\tmp\gnuplot\binary\pgnuplot.exe'
self.fold = 5
self.kernel = 2
self.c_begin, self.c_end, self.c_step = -5, 15, 2
self.g_begin, self.g_end, self.g_step = 3, -15, -2
self.grid_with_c, self.grid_with_g = True, True
Expand Down Expand Up @@ -79,6 +80,9 @@ def parse_options(self, options):
elif options[i] == '-png':
i = i + 1
self.png_pathname = options[i]
elif options[i] == '-t':
i = i + 1
self.kernel = options[i]
elif options[i] == '-resume':
if i == (len(options)-1) or options[i+1].startswith('-'):
self.resume_pathname = self.dataset_title + '.out'
Expand Down Expand Up @@ -282,8 +286,9 @@ def get_cmd(self,c,g):
cmdline += ' -c {0} '.format(c)
if options.grid_with_g:
cmdline += ' -g {0} '.format(g)
cmdline += ' -v {0} {1} {2} '.format\
(options.fold,options.pass_through_string,options.dataset_pathname)
cmdline += '-t {3} -v {0} {1} {2} '.format\
(options.fold,options.pass_through_string,options.dataset_pathname, options.kernel)

return cmdline

class LocalWorker(Worker):
Expand Down Expand Up @@ -468,22 +473,23 @@ def exit_with_help():

grid_options :
-log2c {begin,end,step | "null"} : set the range of c (default -5,15,2)
begin,end,step -- c_range = 2^{begin,...,begin+k*step,...,end}
"null" -- do not grid with c
begin,end,step -- c_range = 2^{begin,...,begin+k*step,...,end}
"null" -- do not grid with c
-log2g {begin,end,step | "null"} : set the range of g (default 3,-15,-2)
begin,end,step -- g_range = 2^{begin,...,begin+k*step,...,end}
"null" -- do not grid with g
begin,end,step -- g_range = 2^{begin,...,begin+k*step,...,end}
"null" -- do not grid with g
-t n : kernel applied (default 2)
-v n : n-fold cross validation (default 5)
-svmtrain pathname : set svm executable path and name
-gnuplot {pathname | "null"} :
pathname -- set gnuplot executable path and name
"null" -- do not plot
pathname -- set gnuplot executable path and name
"null" -- do not plot
-out {pathname | "null"} : (default dataset.out)
pathname -- set output file path and name
"null" -- do not output file
pathname -- set output file path and name
"null" -- do not output file
-png pathname : set graphic output file path and name (default dataset.png)
-resume [pathname] : resume the grid task using an existing output file (default pathname is dataset.out)
This is experimental. Try this option only if some parameters have been checked for the SAME data.
This is experimental. Try this option only if some parameters have been checked for the SAME data.

svm_options : additional options for svm-train""")
sys.exit(1)
Expand Down