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readCovtype.c
377 lines (329 loc) · 14.5 KB
/
readCovtype.c
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/*
* readAdult.c
*
* Sáskya Gurgel, 2012-04-02
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mlpnnets.h"
#define TRUE 1
#define FALSE 0
#define SEED 631814
#define EPOCHS 7000
#define LEARNING_RATE 0.003
#define MAX(a, b) (a >= b? a : b)
typedef enum tagClass {
Spruce_Fir,
Lodgepole_Pine,
Ponderosa_Pine,
Cottonwood_Willow,
Aspen,
Douglas_fir,
Krummholz
} Class;
DataSet* read_dataset(char *filename)
{
FILE *f;
int done = FALSE, i, j, k;
double Elevation_quantitative, Aspect_quantitative, Slope_quantitative, Horizontal_Distance_To_Hydrology_quantitative,
Vertical_Distance_To_Hydrology_quantitative, Horizontal_Distance_To_Roadways_quantitative, Hillshade_9am_quantitative,
Hillshade_Noon_quantitative, Hillshade_3pm_quantitative, Horizontal_Distance_To_Fire_Points_quantitative,
Wilderness_Area_1, Wilderness_Area_2, Wilderness_Area_3, Wilderness_Area_4,
Soil_Type1, Soil_Type2, Soil_Type3, Soil_Type4, Soil_Type5, Soil_Type6, Soil_Type7, Soil_Type8, Soil_Type9, Soil_Type10,
Soil_Type11, Soil_Type12, Soil_Type13, Soil_Type14, Soil_Type15, Soil_Type16, Soil_Type17, Soil_Type18, Soil_Type19, Soil_Type20,
Soil_Type21, Soil_Type22, Soil_Type23, Soil_Type24, Soil_Type25, Soil_Type26, Soil_Type27, Soil_Type28, Soil_Type29, Soil_Type30,
Soil_Type31, Soil_Type32, Soil_Type33, Soil_Type34, Soil_Type35, Soil_Type36, Soil_Type37, Soil_Type38, Soil_Type39, Soil_Type40,
Cover_Type;
DataSet *dset;
char buffer[140];
dset = (DataSet*) malloc(sizeof(DataSet));
if (dset == NULL) {
fprintf(stderr, "Could not allocate memory\n");
return NULL;
}
f = fopen(filename, "r");
if (f == NULL) {
fprintf(stderr, "File not found: %s\n", filename);
free(dset);
return NULL;
}
// count lines in file to allocate dataset arrays
i = 0;
while (fgets(buffer, 140, f) != NULL)
++i;
if (!feof(f) || ferror(f)) {
fprintf(stderr, "IO error while reading from file\n");
free(dset);
fclose(f);
return NULL;
}
fseek(f, 0, SEEK_SET);
// prepare dataset
dset->n_cases = i;
dset->input_size = 54;
dset->output_size = 7;
allocate_dataset_arrays(dset);
i = 0;
while (!done) {
j = fscanf(f, "%lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf \n",
&Elevation_quantitative, &Aspect_quantitative, &Slope_quantitative, &Horizontal_Distance_To_Hydrology_quantitative,
&Vertical_Distance_To_Hydrology_quantitative, &Horizontal_Distance_To_Roadways_quantitative, &Hillshade_9am_quantitative,
&Hillshade_Noon_quantitative, &Hillshade_3pm_quantitative, &Horizontal_Distance_To_Fire_Points_quantitative,
&Wilderness_Area_1, &Wilderness_Area_2, &Wilderness_Area_3, &Wilderness_Area_4,
&Soil_Type1, &Soil_Type2, &Soil_Type3, &Soil_Type4, &Soil_Type5, &Soil_Type6, &Soil_Type7, &Soil_Type8, &Soil_Type9, &Soil_Type10,
&Soil_Type11, &Soil_Type12, &Soil_Type13, &Soil_Type14, &Soil_Type15, &Soil_Type16, &Soil_Type17, &Soil_Type18, &Soil_Type19, &Soil_Type20,
&Soil_Type21, &Soil_Type22, &Soil_Type23, &Soil_Type24, &Soil_Type25, &Soil_Type26, &Soil_Type27, &Soil_Type28, &Soil_Type29, &Soil_Type30,
&Soil_Type31, &Soil_Type32, &Soil_Type33, &Soil_Type34, &Soil_Type35, &Soil_Type36, &Soil_Type37, &Soil_Type38, &Soil_Type39, &Soil_Type40,
&Cover_Type);
/*printf("%lf, %f, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf, %lf\n",
Elevation_quantitative, Aspect_quantitative, Slope_quantitative, Horizontal_Distance_To_Hydrology_quantitative,
Vertical_Distance_To_Hydrology_quantitative, Horizontal_Distance_To_Roadways_quantitative, Hillshade_9am_quantitative,
Hillshade_Noon_quantitative, Hillshade_3pm_quantitative, Horizontal_Distance_To_Fire_Points_quantitative,
Wilderness_Area_1, Wilderness_Area_2, Wilderness_Area_3, Wilderness_Area_4,
Soil_Type1, Soil_Type2, Soil_Type3, Soil_Type4, Soil_Type5, Soil_Type6, Soil_Type7, Soil_Type8, Soil_Type9, Soil_Type10,
Soil_Type11, Soil_Type12, Soil_Type13, Soil_Type14, Soil_Type15, Soil_Type16, Soil_Type17, Soil_Type18, Soil_Type19, Soil_Type20,
Soil_Type21, Soil_Type22, Soil_Type23, Soil_Type24, Soil_Type25, Soil_Type26, Soil_Type27, Soil_Type28, Soil_Type29, Soil_Type30,
Soil_Type31, Soil_Type32, Soil_Type33, Soil_Type34, Soil_Type35, Soil_Type36, Soil_Type37, Soil_Type38, Soil_Type39, Soil_Type40,
Cover_Type);
*/
if (j != 55)
done = TRUE;
else {
dset->input[i][0] = Elevation_quantitative;
dset->input[i][1] = Aspect_quantitative;
dset->input[i][2] = Slope_quantitative;
dset->input[i][3] = Horizontal_Distance_To_Hydrology_quantitative;
dset->input[i][4] = Vertical_Distance_To_Hydrology_quantitative;
dset->input[i][5] = Horizontal_Distance_To_Roadways_quantitative;
dset->input[i][6] = Hillshade_9am_quantitative;
dset->input[i][7] = Hillshade_Noon_quantitative;
dset->input[i][8] = Hillshade_3pm_quantitative;
dset->input[i][9] = Horizontal_Distance_To_Fire_Points_quantitative;
dset->input[i][10] = Wilderness_Area_1;
dset->input[i][11] = Wilderness_Area_2;
dset->input[i][12] = Wilderness_Area_3;
dset->input[i][13] = Wilderness_Area_4;
dset->input[i][14] = Soil_Type1;
dset->input[i][15] = Soil_Type2;
dset->input[i][16] = Soil_Type3;
dset->input[i][17] = Soil_Type4;
dset->input[i][18] = Soil_Type5;
dset->input[i][19] = Soil_Type6;
dset->input[i][20] = Soil_Type7;
dset->input[i][21] = Soil_Type8;
dset->input[i][22] = Soil_Type9;
dset->input[i][23] = Soil_Type10;
dset->input[i][24] = Soil_Type11;
dset->input[i][25] = Soil_Type12;
dset->input[i][26] = Soil_Type13;
dset->input[i][27] = Soil_Type14;
dset->input[i][28] = Soil_Type15;
dset->input[i][29] = Soil_Type16;
dset->input[i][30] = Soil_Type17;
dset->input[i][31] = Soil_Type18;
dset->input[i][32] = Soil_Type19;
dset->input[i][33] = Soil_Type20;
dset->input[i][34] = Soil_Type21;
dset->input[i][35] = Soil_Type22;
dset->input[i][36] = Soil_Type23;
dset->input[i][37] = Soil_Type24;
dset->input[i][38] = Soil_Type25;
dset->input[i][39] = Soil_Type26;
dset->input[i][40] = Soil_Type27;
dset->input[i][41] = Soil_Type28;
dset->input[i][42] = Soil_Type29;
dset->input[i][43] = Soil_Type30;
dset->input[i][44] = Soil_Type31;
dset->input[i][45] = Soil_Type32;
dset->input[i][46] = Soil_Type33;
dset->input[i][47] = Soil_Type34;
dset->input[i][48] = Soil_Type35;
dset->input[i][49] = Soil_Type36;
dset->input[i][50] = Soil_Type37;
dset->input[i][51] = Soil_Type38;
dset->input[i][52] = Soil_Type39;
dset->input[i][53] = Soil_Type40;
if (Cover_Type==1) {
dset->output[i][0] = 0.9;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.1;
} else if (Cover_Type==2) {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.9;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.1;
} else if (Cover_Type==3) {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.9;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.1;
} else if (Cover_Type==4) {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.9;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.1;
} else if (Cover_Type==5) {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.9;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.1;
} else if (Cover_Type==6) {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.9;
dset->output[i][6] = 0.1;
} else {
dset->output[i][0] = 0.1;
dset->output[i][1] = 0.1;
dset->output[i][2] = 0.1;
dset->output[i][3] = 0.1;
dset->output[i][4] = 0.1;
dset->output[i][5] = 0.1;
dset->output[i][6] = 0.9;
}
++i;
}
}
// system("pause");
fclose(f);
return dset;
}
void print_dataset(DataSet *dset)
{
int i, j;
printf("Number of cases: %d\n", dset->n_cases);
for (i = 0; i < dset->n_cases; ++i) {
for (j = 0; j < dset->input_size; ++j)
printf("%3.2f ", dset->input[i][j]);
printf(" | ");
for (j = 0; j < dset->output_size; ++j)
printf("%3.2f ", dset->output[i][j]);
printf("\n");
}
}
Class output_to_class(double *output)
{
double max;
max = MAX(output[0], MAX(output[1], MAX(output[2], MAX(output[3], MAX(output[4], MAX(output[5], output[6]))))));
if (output[0] == max)
return Spruce_Fir;
else if (output[1] == max)
return Lodgepole_Pine;
else if (output[2] == max)
return Ponderosa_Pine;
else if (output[3] == max)
return Cottonwood_Willow;
else if (output[4] == max)
return Aspen;
else if (output[5] == max)
return Douglas_fir;
return Krummholz;
}
Class predict_class(Network *nnet, double *input)
{
forward_prop(nnet, sigmoid, input);
return output_to_class(nnet->output_layer->y);
}
char *n1 = "Spruce/Fir";
char *n2 = "Lodgepole Pine";
char *n3 = "Ponderosa Pine";
char *n4 = "Cottonwood/Willow";
char *n5 = "Aspen";
char *n6 = "Douglas-fir";
char *n7 = "Krummholz";
char *class_to_string(Class c)
{
char *res;
switch(c) {
case Spruce_Fir:
res = n1;
break;
case Lodgepole_Pine:
res = n2;
break;
case Ponderosa_Pine:
res = n3;
break;
case Cottonwood_Willow:
res = n4;
break;
case Aspen:
res = n5;
break;
case Douglas_fir:
res = n6;
break;
default:
res = n7;
}
return res;
}
int main(int argc, char **argv)
{
int i;
int errors;
DataSet *train_set;
DataSet *test_set;
Network *covtype = create_network(14);
double e;
double acc;
Class predicted, desired;
// training
train_set = read_dataset("covtype.train");
if (train_set == NULL) {
fprintf(stderr, "Error reading training set\n");
exit(1);
}
add_layer(covtype, 54); // hidden layer
add_layer(covtype, 7); // output layer
initialize_weights(covtype, SEED);
print_network_structure(covtype);
printf("Training network with %d epochs...\n", EPOCHS);
e = batch_train(covtype, train_set, LEARNING_RATE, EPOCHS,
sigmoid, dsigmoid);
printf("Training finished, approximate final SSE: %f\n", e);
print_network_structure(covtype);
// testing
test_set = read_dataset("covtype.test");
if (test_set == NULL) {
fprintf(stderr, "Error reading test set\n");
exit(1);
}
errors = 0;
printf("Testing with %d cases...\n", test_set->n_cases);
for (i = 0; i < test_set->n_cases; ++i) {
predicted = predict_class(covtype, test_set->input[i]);
desired = output_to_class(test_set->output[i]);
if (predicted != desired)
++errors;
/* printf("Case %d | predicted: %s, desired: %s, outputs: %4.3f %4.3f \n", i,
class_to_string(predicted), class_to_string(desired),
covtype->output_layer->y[0], covtype->output_layer->y[1]);*/
}
acc = 100.0 - (100.0 * errors / test_set->n_cases);
printf("Testing accuracy: %f\n", acc);
printf("Total classificarion errors: %d\n", errors);
system("pause");
return 0;
}