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Fix switch/flip error rate calculations #112

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Fix switch/flip error rate calculations #112

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8fb6ae9
Fix switch/flip error rate calculations
JosephLalli Oct 25, 2024
585af40
Merge pull request #1 from JosephLalli/Fix-flip/non-flip-switch-error…
JosephLalli Oct 25, 2024
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36 changes: 28 additions & 8 deletions switch/src/models/haplotype_checker.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -105,25 +105,45 @@ void haplotype_checker::writePerSample(string fout) {
vrb.bullet("Timing: " + stb.str(tac.rel_time()*1.0/1000, 2) + "s");
}


void haplotype_checker::writeFlipSwitchErrorPerSample(string fout) {
tac.clock();
vrb.title("Writing phasing flip and switch errors per sample in [" + fout + "]");
output_file fdo (fout);

int whole_study_true_errors = 0, whole_study_errors = 0, whole_study_checked = 0;
for (int i = 0 ; i < H.IDXesti.size() ; i++) {
vector < int > HET;
for (int l = 0 ; l < H.n_variants ; l ++) if (Checked[i][l]) HET.push_back(l);

int n_flips = 0, n_switches = 0, n_correct = 0;
for (int h = 2 ; h < HET.size() ; h ++) {
int n_errors = Errors[i][HET[h-1]] + Errors[i][HET[h]];
n_correct += (n_errors == 0);
n_switches += (n_errors == 1);
n_flips += (n_errors == 2);
int n_flips = 0, n_all_switches = 0, n_correct = 0, n_consecutive_flips = 0, prior_prior_error = 0, prior_error = 0;
for (int h = 0 ; h < HET.size() ; h ++) {
if ( h > 0 ){
prior_error = Errors[i][HET[h-1]];
}
if ( h > 1) {
prior_prior_error = Errors[i][HET[h-2]];
}
int current_error = Errors[i][HET[h]];
n_correct += (current_error == 0);
n_all_switches += (current_error == 1);
n_flips += ((prior_error + current_error) == 2);
n_consecutive_flips += ((prior_error + prior_prior_error + current_error) == 3);
}
int total = n_switches + n_flips + n_correct;
fdo << H.vecSamples[H.IDXesti[i]] << " " << n_switches << " " << n_flips << " " << n_correct << " " << stb.str(n_switches * 100.0f / total, 2) << " " << stb.str(n_flips * 100.0f / total, 2) << " " << stb.str(n_correct * 100.0f / total, 2) << endl;

n_flips -= n_consecutive_flips;
int total = n_all_switches + n_flips + n_correct + n_consecutive_flips;
int n_pure_switches = n_all_switches - (n_flips*2 + n_consecutive_flips);
whole_study_errors += n_all_switches;
whole_study_true_errors += n_pure_switches;
whole_study_checked += total;

fdo << H.vecSamples[H.IDXesti[i]] << " " << n_all_switches << " " << n_flips << " " << n_consecutive_flips << " " << n_pure_switches << " " << n_correct << " " << total << " " << stb.str(n_all_switches * 100.0f / total, 2) << " " << stb.str((n_flips*2 + n_consecutive_flips) * 100.0f / total, 2) << " " << stb.str(n_pure_switches * 100.0f / total, 4) << " " << stb.str(n_correct * 100.0f / total, 2) << endl;
}
fdo.close();
vrb.bullet("#Overall switch error rate = " + stb.str(whole_study_errors * 100.0f / whole_study_checked, 5));
vrb.bullet("#Overall pure switch error rate = " + stb.str(whole_study_true_errors * 100.0f / whole_study_checked, 5));

vrb.bullet("Timing: " + stb.str(tac.rel_time()*1.0/1000, 2) + "s");
}

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