view tests/pointset_test/plotLSHresults.m @ 369:6564be3109c5 gcc-4.3-cleanups

gcc-4.3 warning cleanups for lshlib.cpp (I do not believe that any of these changes contain significant copyrightable "intellectual property". However, to the extent that they do, the changes are hereby released into the Public Domain, and may be therefore be used by anyone for any purpose without need for consideration of any kind.)
author mas01cr
date Wed, 12 Nov 2008 15:23:32 +0000
parents 63ae0dfc1767
children 397e94f6db44
line wrap: on
line source
function plotLSHresults(filename, w, kk, useLog)
if nargin<4, useLog=0;end
if nargin<3, kk=1;end

R = load(filename,'ascii'); % Assume 10 radii queries x 10 radii result summaries

for k=1:10
  RR(k,:)=mean(R(k:10:end,:))./100; % Convert to Probability
end

c=['r' 'g' 'b' 'c' 'm' 'y' 'k'];

if(useLog)
     logSym=' Log_{10} ';
   else
     logSym='';
end

figure
subplot(211)
hold on
radii=[0.1 0.2 0.4 0.5 0.7 0.9 1 2 5 10];
for k=1:10
  if(useLog)
    semilogx(radii, kk*log10(lshP(w,radii./radii(k))),[num2str(c(mod(k,length(c))+1)) '-+'],'lineWidth',2)
  else
    plot(radii,lshP(w,radii./radii(k)).^kk,[num2str(c(mod(k,length(c))+1)) '-+'],'lineWidth',2)
  end
end
if(useLog)
  axis([radii(1) radii(end) -kk 0])
else
  axis([0 10 0 1])
end
grid on
legend([{"r=.1"},{"r=.2"},{"r=.4"},{"r=.5"},{"r=.7"},{"r=.9"},{"r=1"},{"r=2"},{"r=5"},{"r=10"}])
title(['Estimated Probability for 10 LSH radii searches: w=' num2str(w) ' , k=' num2str(kk)])
xlabel('Radius')
ylabel([logSym 'Probability'])


subplot(212)
hold on
for k=1:10
  if(useLog)
    semilogx(radii,kk*log(RR(k,:)),[num2str(c(mod(k,length(c))+1)) '-+'],'lineWidth',2)
  else
    plot(radii,RR(k,:).^kk,[num2str(c(mod(k,length(c))+1)) '-+'],'lineWidth',2)    
  end
end
if(useLog)
  axis([radii(1) radii(end) -kk 0])
else
  axis([0 10 0 1])
endif
grid on
legend([{"r=.1"},{"r=.2"},{"r=.4"},{"r=.5"},{"r=.7"},{"r=.9"},{"r=1"},{"r=2"},{"r=5"},{"r=10"}])
title(['Observed Probability for 10 LSH radii searches: w=' num2str(w) ' , k=' num2str(kk)])
xlabel('Radius')
ylabel([logSym 'Probability'])