diff --git a/pam.go b/pam.go
index b3a06d6..8a09dea 100644
--- a/pam.go
+++ b/pam.go
@@ -3,8 +3,33 @@ package main
 
 import (
 	"fmt"
+	"math/rand"
+	"time"
 )
 
+//先设置一些参数
+
+const (
+	dataN    = 10
+	dim      = 3
+	clusterN = 3
+)
+
+func initData() [][]float64 { //初始数据集
+	src := rand.NewSource(time.Now().UnixNano())
+	rnd := rand.New(src)
+	r := make([][]float64, dataN)
+	for n := 0; n < dataN; n++ {
+		r[n] = make([]float64, dim)
+		for d := 0; d < dim; d++ {
+			r[n][d] = rnd.Float64()
+		}
+	}
+
+	return r
+}
+
 func main() {
+	initData()
 	fmt.Println("Hello World!")
 }