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Fixed warnings in MLPPExpReg.
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commit
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@ -14,9 +14,15 @@
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#include <iostream>
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#include <iostream>
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#include <random>
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#include <random>
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MLPPExpReg::MLPPExpReg(std::vector<std::vector<real_t>> p_inputSet, std::vector<real_t> p_outputSet, std::string p_reg, real_t p_lambda, real_t p_alpha) {
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inputSet = p_inputSet;
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outputSet = p_outputSet;
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n = p_inputSet.size();
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k = p_inputSet[0].size();
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reg = p_reg;
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lambda = p_lambda;
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alpha = p_alpha;
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MLPPExpReg::MLPPExpReg(std::vector<std::vector<real_t>> inputSet, std::vector<real_t> outputSet, std::string reg, real_t lambda, real_t alpha) :
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inputSet(inputSet), outputSet(outputSet), n(inputSet.size()), k(inputSet[0].size()), reg(reg), lambda(lambda), alpha(alpha) {
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y_hat.resize(n);
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y_hat.resize(n);
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weights = MLPPUtilities::weightInitialization(k);
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weights = MLPPUtilities::weightInitialization(k);
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initial = MLPPUtilities::weightInitialization(k);
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initial = MLPPUtilities::weightInitialization(k);
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@ -142,7 +148,9 @@ void MLPPExpReg::MBGD(real_t learning_rate, int max_epoch, int mini_batch_size,
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// Creating the mini-batches
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// Creating the mini-batches
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int n_mini_batch = n / mini_batch_size;
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int n_mini_batch = n / mini_batch_size;
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auto [inputMiniBatches, outputMiniBatches] = MLPPUtilities::createMiniBatches(inputSet, outputSet, n_mini_batch);
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auto batches = MLPPUtilities::createMiniBatches(inputSet, outputSet, n_mini_batch);
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auto inputMiniBatches = std::get<0>(batches);
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auto outputMiniBatches = std::get<1>(batches);
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while (true) {
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while (true) {
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for (int i = 0; i < n_mini_batch; i++) {
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for (int i = 0; i < n_mini_batch; i++) {
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@ -153,14 +161,14 @@ void MLPPExpReg::MBGD(real_t learning_rate, int max_epoch, int mini_batch_size,
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for (int j = 0; j < k; j++) {
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for (int j = 0; j < k; j++) {
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// Calculating the weight gradient
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// Calculating the weight gradient
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real_t sum = 0;
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real_t sum = 0;
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for (int k = 0; k < outputMiniBatches[i].size(); k++) {
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for (uint32_t k = 0; k < outputMiniBatches[i].size(); k++) {
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sum += error[k] * inputMiniBatches[i][k][j] * std::pow(weights[j], inputMiniBatches[i][k][j] - 1);
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sum += error[k] * inputMiniBatches[i][k][j] * std::pow(weights[j], inputMiniBatches[i][k][j] - 1);
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}
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}
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real_t w_gradient = sum / outputMiniBatches[i].size();
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real_t w_gradient = sum / outputMiniBatches[i].size();
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// Calculating the initial gradient
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// Calculating the initial gradient
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real_t sum2 = 0;
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real_t sum2 = 0;
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for (int k = 0; k < outputMiniBatches[i].size(); k++) {
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for (uint32_t k = 0; k < outputMiniBatches[i].size(); k++) {
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sum2 += error[k] * std::pow(weights[j], inputMiniBatches[i][k][j]);
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sum2 += error[k] * std::pow(weights[j], inputMiniBatches[i][k][j]);
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}
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}
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@ -174,10 +182,11 @@ void MLPPExpReg::MBGD(real_t learning_rate, int max_epoch, int mini_batch_size,
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// Calculating the bias gradient
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// Calculating the bias gradient
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real_t sum = 0;
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real_t sum = 0;
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for (int j = 0; j < outputMiniBatches[i].size(); j++) {
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for (uint32_t j = 0; j < outputMiniBatches[i].size(); j++) {
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sum += (y_hat[j] - outputMiniBatches[i][j]);
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sum += (y_hat[j] - outputMiniBatches[i][j]);
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}
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}
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real_t b_gradient = sum / outputMiniBatches[i].size();
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//real_t b_gradient = sum / outputMiniBatches[i].size();
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y_hat = Evaluate(inputMiniBatches[i]);
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y_hat = Evaluate(inputMiniBatches[i]);
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if (UI) {
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if (UI) {
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@ -194,12 +203,12 @@ void MLPPExpReg::MBGD(real_t learning_rate, int max_epoch, int mini_batch_size,
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}
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}
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real_t MLPPExpReg::score() {
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real_t MLPPExpReg::score() {
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MLPPUtilities util;
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MLPPUtilities util;
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return util.performance(y_hat, outputSet);
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return util.performance(y_hat, outputSet);
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}
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}
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void MLPPExpReg::save(std::string fileName) {
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void MLPPExpReg::save(std::string fileName) {
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MLPPUtilities util;
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MLPPUtilities util;
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util.saveParameters(fileName, weights, initial, bias);
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util.saveParameters(fileName, weights, initial, bias);
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}
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}
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@ -212,9 +221,9 @@ real_t MLPPExpReg::Cost(std::vector<real_t> y_hat, std::vector<real_t> y) {
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std::vector<real_t> MLPPExpReg::Evaluate(std::vector<std::vector<real_t>> X) {
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std::vector<real_t> MLPPExpReg::Evaluate(std::vector<std::vector<real_t>> X) {
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std::vector<real_t> y_hat;
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std::vector<real_t> y_hat;
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y_hat.resize(X.size());
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y_hat.resize(X.size());
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for (int i = 0; i < X.size(); i++) {
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for (uint32_t i = 0; i < X.size(); i++) {
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y_hat[i] = 0;
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y_hat[i] = 0;
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for (int j = 0; j < X[i].size(); j++) {
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for (uint32_t j = 0; j < X[i].size(); j++) {
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y_hat[i] += initial[j] * std::pow(weights[j], X[i][j]);
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y_hat[i] += initial[j] * std::pow(weights[j], X[i][j]);
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}
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}
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y_hat[i] += bias;
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y_hat[i] += bias;
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@ -224,7 +233,7 @@ std::vector<real_t> MLPPExpReg::Evaluate(std::vector<std::vector<real_t>> X) {
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real_t MLPPExpReg::Evaluate(std::vector<real_t> x) {
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real_t MLPPExpReg::Evaluate(std::vector<real_t> x) {
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real_t y_hat = 0;
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real_t y_hat = 0;
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for (int i = 0; i < x.size(); i++) {
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for (uint32_t i = 0; i < x.size(); i++) {
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y_hat += initial[i] * std::pow(weights[i], x[i]);
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y_hat += initial[i] * std::pow(weights[i], x[i]);
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}
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}
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@ -13,7 +13,6 @@
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#include <string>
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#include <string>
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#include <vector>
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#include <vector>
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class MLPPExpReg {
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class MLPPExpReg {
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public:
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public:
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MLPPExpReg(std::vector<std::vector<real_t>> inputSet, std::vector<real_t> outputSet, std::string reg = "None", real_t lambda = 0.5, real_t alpha = 0.5);
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MLPPExpReg(std::vector<std::vector<real_t>> inputSet, std::vector<real_t> outputSet, std::string reg = "None", real_t lambda = 0.5, real_t alpha = 0.5);
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@ -48,5 +47,4 @@ private:
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real_t alpha; /* This is the controlling param for Elastic Net*/
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real_t alpha; /* This is the controlling param for Elastic Net*/
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};
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};
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#endif /* ExpReg_hpp */
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#endif /* ExpReg_hpp */
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