代码拉取完成,页面将自动刷新
cd src
g++ -o saar saar.cpp
g++ -o sama sama.cpp
cp saar /usr/local/bin/
cp sama /usr/local/bin/
cp arpredict /usr/local/bin/
其中的arpredict
是一个PHP脚本,需要先安装PHP。
先随机生成测试数据,然后使用saar
搜索解。
php src/gen.php -t ar -p 0.6,-0.3 -s 0.01 -l 100 > input.csv
saar -i input.csv -o ar_error.csv -p 2 -l 100 -s 1000 -k 10 -a 0.01 -f 0.999
输出如下:
-i:input.csv
-o:ar_error.csv
-p:2
-l:100
-s:1000
-k:10
-a:0.01
-f:0.999
============================================================
g,1,fitness,0.999877,avg,0.999709,var,1
============================================================
AR params:
p(1)=0.550818326
p(2)=-0.282116032
SE:0.011067793
标准差SE
是0.011067793
,最后预测:
arpredict -i input.csv -p 0.550818326,-0.282116032 -s 0.011067793 -t 10
预测输出:
1,0.008990603,-0.013144983,0.031126189
2,0.001001101,-0.030303345,0.032305547
3,-0.001984968,-0.040324928,0.036354991
4,-0.001375784,-0.045646956,0.042895388
5,-0.000197815,-0.049694490,0.049298860
6,0.000279170,-0.053941721,0.054500061
7,0.000209579,-0.058355677,0.058774835
8,0.000036682,-0.062572210,0.062645573
9,-0.000038921,-0.066445679,0.066367837
10,-0.000031787,-0.070030656,0.069967082
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