homebrew-core/Formula/vowpal-wabbit.rb
2015-09-24 16:13:59 +01:00

81 lines
2.8 KiB
Ruby

class VowpalWabbit < Formula
desc "Online learning algorithm"
homepage "https://github.com/JohnLangford/vowpal_wabbit"
head "https://github.com/JohnLangford/vowpal_wabbit.git"
url "https://github.com/JohnLangford/vowpal_wabbit/archive/8.0.tar.gz"
sha256 "ebf7fea91eead6da3d9fd479b901a320d5ab3ed20b2b134b5ce86aec771b0a60"
bottle do
cellar :any
sha256 "4072bdb5976df63030b3460014bbecaa0b2232adf86094128ea67799fd0368f4" => :el_capitan
sha256 "0dc906d8ea75c06d1d682a6e7c2477c939491f41f473e986cfdacf1b6fee2d1a" => :yosemite
sha256 "8b42c4cf697b11ffadeeb19c5331eaf6706de3be3e40b350a4976373a5fddde5" => :mavericks
sha256 "8a93b68d965449d2a385aba6752e1d9833b676b9a1b08e5434f6fd9239fca837" => :mountain_lion
end
if MacOS.version < :mavericks
depends_on "boost" => "c++11"
else
depends_on "boost"
end
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
needs :cxx11
def install
ENV.cxx11
ENV["AC_PATH"] = "#{HOMEBREW_PREFIX}/share"
system "./autogen.sh", "--prefix=#{prefix}",
"--with-boost=#{Formula["boost"].opt_prefix}"
system "make"
system "make", "install"
end
test do
(testpath/"house_dataset").write <<-EOS.undent
0 | price:.23 sqft:.25 age:.05 2006
1 2 'second_house | price:.18 sqft:.15 age:.35 1976
0 1 0.5 'third_house | price:.53 sqft:.32 age:.87 1924
EOS
system bin/"vw", "house_dataset", "-l", "10", "-c", "--passes", "25", "--holdout_off", "--audit", "-f", "house.model", "--nn", "5"
system bin/"vw", "-t", "-i", "house.model", "-d", "house_dataset", "-p", "house.predict"
(testpath/"csoaa.dat").write <<-EOS.undent
1:1.0 a1_expect_1| a
2:1.0 b1_expect_2| b
3:1.0 c1_expect_3| c
1:2.0 2:1.0 ab1_expect_2| a b
2:1.0 3:3.0 bc1_expect_2| b c
1:3.0 3:1.0 ac1_expect_3| a c
2:3.0 d1_expect_2| d
EOS
system bin/"vw", "--csoaa", "3", "csoaa.dat", "-f", "csoaa.model"
system bin/"vw", "-t", "-i", "csoaa.model", "-d", "csoaa.dat", "-p", "csoaa.predict"
(testpath/"ect.dat").write <<-EOS.undent
1 ex1| a
2 ex2| a b
3 ex3| c d e
2 ex4| b a
1 ex5| f g
EOS
system bin/"vw", "--ect", "3", "-d", "ect.dat", "-f", "ect.model"
system bin/"vw", "-t", "-i", "ect.model", "-d", "ect.dat", "-p", "ect.predict"
(testpath/"train.dat").write <<-EOS.undent
1:2:0.4 | a c
3:0.5:0.2 | b d
4:1.2:0.5 | a b c
2:1:0.3 | b c
3:1.5:0.7 | a d
EOS
(testpath/"test.dat").write <<-EOS.undent
1:2 3:5 4:1:0.6 | a c d
1:0.5 2:1:0.4 3:2 4:1.5 | c d
EOS
system bin/"vw", "-d", "train.dat", "--cb", "4", "-f", "cb.model"
system bin/"vw", "-t", "-i", "cb.model", "-d", "test.dat", "-p", "cb.predict"
end
end