/
data.go
57 lines (49 loc) · 1.12 KB
/
data.go
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package main
import (
"bytes"
"fmt"
"io/ioutil"
)
type DataSet struct {
input [][]float64
output []float64
var_names []string
out_name string
}
func (d *DataSet) length() int {
return len(d.input)
}
func (d *DataSet) dimensions() int {
return len(d.input[0])
}
func readDataSetFile(filename string) (d *DataSet) {
d = new(DataSet)
data, err := ioutil.ReadFile(filename)
if err != nil {
fmt.Println("Error opening file: ", filename)
return
}
lines := bytes.Split(data, []byte{'\n'})
names := bytes.Fields(lines[0])
for i := 0; i < len(names)-1; i++ {
d.var_names = append(d.var_names, string(names[i]))
}
d.out_name = string(names[len(names)-1])
for i := 1; i < len(lines); i++ {
val_strs := bytes.Fields(lines[i])
if len(val_strs) < len(d.var_names)+1 {
break
}
input := make([]float64, len(d.var_names))
for p := 0; p < len(d.var_names); p++ {
var val float64
fmt.Sscanf(string(val_strs[p]), "%f", &val)
input[p] = val
}
d.input = append(d.input, input)
var out float64
fmt.Sscanf(string(val_strs[len(val_strs)-1]), "%f", &out)
d.output = append(d.output, out)
}
return
}