How to use DeNoise method of regression Package

Best Keploy code snippet using regression.DeNoise

keploy.go

Source:keploy.go Github

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1package keploy2import (3 "bytes"4 "encoding/json"5 "errors"6 "fmt"7 "github.com/creasty/defaults"8 "github.com/go-playground/validator/v10"9 // "github.com/benbjohnson/clock"10 "go.keploy.io/server/http/regression"11 "go.keploy.io/server/pkg/models"12 "go.uber.org/zap"13 "go.uber.org/zap/zapcore"14 "io"15 "io/ioutil"16 "net/http"17 "os"18 "regexp"19 "sync"20 "testing"21 "time"22)23var result = make(chan bool, 1)24// mode is set to record, if unset25var mode = MODE_RECORD26func init() {27 m := Mode(os.Getenv("KEPLOY_MODE"))28 if m == "" {29 return30 }31 err := SetMode(m)32 if err != nil {33 fmt.Println("warning: ", err)34 }35}36func AssertTests(t *testing.T) {37 r := <-result38 if !r {39 t.Error("Keploy test suite failed")40 }41}42// NewApp creates and returns an App instance for API testing. It should be called before router43// and dependency integration. It takes 5 strings as parameters.44//45// name parameter should be the name of project app, It should not contain spaces.46//47// licenseKey parameter should be the license key for the API testing.48//49// keployHost parameter is the keploy's server address. If it is empty, requests are made to the50// hosted Keploy server.51//52// host and port parameters contains the host and port of API to be tested.53type Config struct {54 App AppConfig55 Server ServerConfig56}57type AppConfig struct {58 Name string `validate:"required"`59 Host string `default:"0.0.0.0"`60 Port string `validate:"required"`61 Delay time.Duration `default:"5s"`62 Timeout time.Duration `default:"60s"`63 Filter Filter64}65type Filter struct {66 UrlRegex string67 HeaderRegex []string68}69type ServerConfig struct {70 URL string `default:"https://api.keploy.io"`71 LicenseKey string72}73func New(cfg Config) *Keploy {74 zcfg := zap.NewDevelopmentConfig()75 zcfg.EncoderConfig.CallerKey = zapcore.OmitKey76 zcfg.EncoderConfig.LevelKey = zapcore.OmitKey77 zcfg.EncoderConfig.TimeKey = zapcore.OmitKey78 logger, err := zcfg.Build()79 defer func() {80 _ = logger.Sync() // flushes buffer, if any81 }()82 if err != nil {83 panic(err)84 }85 // set defaults86 if err = defaults.Set(&cfg); err != nil {87 logger.Error("failed to set default values to keploy conf", zap.Error(err))88 }89 validate := validator.New()90 err = validate.Struct(&cfg)91 if err != nil {92 logger.Error("conf missing important field", zap.Error(err))93 }94 k := &Keploy{95 cfg: cfg,96 Log: logger,97 client: &http.Client{98 Timeout: cfg.App.Timeout,99 },100 deps: sync.Map{},101 resp: sync.Map{},102 mocktime: sync.Map{},103 }104 if mode == MODE_TEST {105 go k.Test()106 }107 return k108}109type Keploy struct {110 cfg Config111 Log *zap.Logger112 client *http.Client113 deps sync.Map114 //Deps map[string][]models.Dependency115 resp sync.Map116 //Resp map[string]models.HttpResp117 mocktime sync.Map118}119func (k *Keploy) GetDependencies(id string) []models.Dependency {120 val, ok := k.deps.Load(id)121 if !ok {122 return nil123 }124 deps, ok := val.([]models.Dependency)125 if !ok {126 k.Log.Error("failed fetching dependencies for testcases", zap.String("test case id", id))127 return nil128 }129 return deps130}131func (k *Keploy) GetClock(id string) int64 {132 val, ok := k.mocktime.Load(id)133 if !ok {134 return 0135 }136 mocktime, ok := val.(int64)137 if !ok {138 k.Log.Error("failed getting time for http request", zap.String("test case id", id))139 return 0140 }141 return mocktime142}143func (k *Keploy) GetResp(id string) models.HttpResp {144 val, ok := k.resp.Load(id)145 if !ok {146 return models.HttpResp{}147 }148 resp, ok := val.(models.HttpResp)149 if !ok {150 k.Log.Error("failed getting response for http request", zap.String("test case id", id))151 return models.HttpResp{}152 }153 return resp154}155func (k *Keploy) PutResp(id string, resp models.HttpResp) {156 k.resp.Store(id, resp)157}158// Capture will capture request, response and output of external dependencies by making Call to keploy server.159func (k *Keploy) Capture(req regression.TestCaseReq) {160 go k.put(req)161}162// Test fetches the testcases from the keploy server and current response of API. Then, both of the responses are sent back to keploy's server for comparision.163func (k *Keploy) Test() {164 // fetch test cases from web server and save to memory165 k.Log.Info("test starting in " + k.cfg.App.Delay.String())166 time.Sleep(k.cfg.App.Delay)167 tcs := k.fetch()168 total := len(tcs)169 // start a test run170 id, err := k.start(total)171 if err != nil {172 k.Log.Error("failed to start test run", zap.Error(err))173 return174 }175 k.Log.Info("starting test execution", zap.String("id", id), zap.Int("total tests", total))176 passed := true177 // call the service for each test case178 var wg sync.WaitGroup179 maxGoroutines := 10180 guard := make(chan struct{}, maxGoroutines)181 for i, tc := range tcs {182 k.Log.Info(fmt.Sprintf("testing %d of %d", i+1, total), zap.String("testcase id", tc.ID))183 guard <- struct{}{}184 wg.Add(1)185 tcCopy := tc186 go func() {187 ok := k.check(id, tcCopy)188 if !ok {189 passed = false190 }191 k.Log.Info("result", zap.String("testcase id", tcCopy.ID), zap.Bool("passed", ok))192 <-guard193 wg.Done()194 }()195 }196 wg.Wait()197 // end the test run198 err = k.end(id, passed)199 if err != nil {200 k.Log.Error("failed to end test run", zap.Error(err))201 return202 }203 k.Log.Info("test run completed", zap.String("run id", id), zap.Bool("passed overall", passed))204 result <- passed205}206func (k *Keploy) start(total int) (string, error) {207 url := fmt.Sprintf("%s/regression/start?app=%s&total=%d", k.cfg.Server.URL, k.cfg.App.Name, total)208 body, err := k.newGet(url)209 if err != nil {210 return "", err211 }212 var resp map[string]string213 err = json.Unmarshal(body, &resp)214 if err != nil {215 return "", err216 }217 return resp["id"], nil218}219func (k *Keploy) end(id string, status bool) error {220 url := fmt.Sprintf("%s/regression/end?status=%t&id=%s", k.cfg.Server.URL, status, id)221 _, err := k.newGet(url)222 if err != nil {223 return err224 }225 return nil226}227func (k *Keploy) simulate(tc models.TestCase) (*models.HttpResp, error) {228 // add dependencies to shared context229 k.deps.Store(tc.ID, tc.Deps)230 defer k.deps.Delete(tc.ID)231 // mock := clock.NewMock()232 // t:=tc.Captured233 // mock.Add(time.Duration(t) * time.Second)234 // tc.Captured = mock.Now().UTC().Unix()235 k.mocktime.Store(tc.ID, tc.Captured)236 defer k.mocktime.Delete(tc.ID)237 //k.Deps[tc.ID] = tc.Deps238 //defer delete(k.Deps, tc.ID)239 req, err := http.NewRequest(string(tc.HttpReq.Method), "http://"+k.cfg.App.Host+":"+k.cfg.App.Port+tc.HttpReq.URL, bytes.NewBufferString(tc.HttpReq.Body))240 if err != nil {241 panic(err)242 }243 req.Header = tc.HttpReq.Header244 req.Header.Set("KEPLOY_TEST_ID", tc.ID)245 req.ProtoMajor = tc.HttpReq.ProtoMajor246 req.ProtoMinor = tc.HttpReq.ProtoMinor247 httpresp, err := k.client.Do(req)248 if err != nil {249 k.Log.Error("failed sending testcase request to app", zap.Error(err))250 return nil, err251 }252 defer httpresp.Body.Close()253 resp := k.GetResp(tc.ID)254 defer k.resp.Delete(tc.ID)255 body, err := ioutil.ReadAll(httpresp.Body)256 if err != nil {257 k.Log.Error("failed reading simulated response from app", zap.Error(err))258 return nil, err259 }260 261 if (resp.StatusCode < 300 || resp.StatusCode >= 400) && resp.Body != string(body) {262 resp.Body = string(body)263 resp.Header = httpresp.Header264 resp.StatusCode = httpresp.StatusCode265 }266 return &resp, nil267}268func (k *Keploy) check(runId string, tc models.TestCase) bool {269 resp, err := k.simulate(tc)270 if err != nil {271 k.Log.Error("failed to simulate request on local server", zap.Error(err))272 return false273 }274 bin, err := json.Marshal(&regression.TestReq{275 ID: tc.ID,276 AppID: k.cfg.App.Name,277 RunID: runId,278 Resp: *resp,279 })280 if err != nil {281 k.Log.Error("failed to marshal testcase request", zap.String("url", tc.URI), zap.Error(err))282 return false283 }284 // test application reponse285 r, err := http.NewRequest("POST", k.cfg.Server.URL+"/regression/test", bytes.NewBuffer(bin))286 if err != nil {287 k.Log.Error("failed to create test request request server", zap.String("id", tc.ID), zap.String("url", tc.URI), zap.Error(err))288 return false289 }290 k.setKey(r)291 r.Header.Set("Content-Type", "application/json")292 resp2, err := k.client.Do(r)293 if err != nil {294 k.Log.Error("failed to send test request to backend", zap.String("url", tc.URI), zap.Error(err))295 return false296 }297 var res map[string]bool298 b, err := ioutil.ReadAll(resp2.Body)299 if err != nil {300 k.Log.Error("failed to read response from backend", zap.String("url", tc.URI), zap.Error(err))301 }302 err = json.Unmarshal(b, &res)303 if err != nil {304 k.Log.Error("failed to read test result from keploy cloud", zap.Error(err))305 return false306 }307 if res["pass"] {308 return true309 }310 return false311}312// isValidHeader checks the valid header to filter out testcases313// It returns true when any of the header matches with regular expression and returns false when it doesn't match.314func (k *Keploy) isValidHeader(tcs regression.TestCaseReq) bool {315 var fil = k.cfg.App.Filter316 var t = tcs.HttpReq.Header317 var valid bool = false318 for _, v := range fil.HeaderRegex {319 headReg := regexp.MustCompile(v)320 for key := range t {321 if headReg.FindString(key) != "" {322 valid = true323 break324 }325 }326 if valid {327 break328 }329 }330 if !valid {331 return false332 }333 return true334}335func (k *Keploy) put(tcs regression.TestCaseReq) {336 var fil = k.cfg.App.Filter337 338 if fil.HeaderRegex != nil {339 if k.isValidHeader(tcs) == false {340 return341 }342 }343 reg := regexp.MustCompile(fil.UrlRegex)344 if fil.UrlRegex != "" && reg.FindString(tcs.URI) == "" {345 return346 }347 bin, err := json.Marshal(tcs)348 if err != nil {349 k.Log.Error("failed to marshall testcase request", zap.String("url", tcs.URI), zap.Error(err))350 return351 }352 req, err := http.NewRequest("POST", k.cfg.Server.URL+"/regression/testcase", bytes.NewBuffer(bin))353 if err != nil {354 k.Log.Error("failed to create testcase request", zap.String("url", tcs.URI), zap.Error(err))355 return356 }357 k.setKey(req)358 req.Header.Set("Content-Type", "application/json")359 resp, err := k.client.Do(req)360 if err != nil {361 k.Log.Error("failed to send testcase to backend", zap.String("url", tcs.URI), zap.Error(err))362 return363 }364 defer func(Body io.ReadCloser) {365 err = Body.Close()366 if err != nil {367 // a.Log.Error("failed to close connecton reader", zap.String("url", tcs.URI), zap.Error(err))368 return369 }370 }(resp.Body)371 var res map[string]string372 body, err := ioutil.ReadAll(resp.Body)373 if err != nil {374 k.Log.Error("failed to read response from backend", zap.String("url", tcs.URI), zap.Error(err))375 }376 err = json.Unmarshal(body, &res)377 if err != nil {378 k.Log.Error("failed to read testcases from keploy cloud", zap.Error(err))379 return380 }381 id := res["id"]382 if id == "" {383 return384 }385 k.denoise(id, tcs)386}387func (k *Keploy) denoise(id string, tcs regression.TestCaseReq) {388 // run the request again to find noisy fields389 time.Sleep(2 * time.Second)390 resp2, err := k.simulate(models.TestCase{391 ID: id,392 Captured: tcs.Captured,393 URI: tcs.URI,394 HttpReq: tcs.HttpReq,395 Deps: tcs.Deps,396 })397 if err != nil {398 k.Log.Error("failed to simulate request on local server", zap.Error(err))399 return400 }401 bin2, err := json.Marshal(&regression.TestReq{402 ID: id,403 AppID: k.cfg.App.Name,404 Resp: *resp2,405 })406 if err != nil {407 k.Log.Error("failed to marshall testcase request", zap.String("url", tcs.URI), zap.Error(err))408 return409 }410 // send de-noise request to server411 r, err := http.NewRequest("POST", k.cfg.Server.URL+"/regression/denoise", bytes.NewBuffer(bin2))412 if err != nil {413 k.Log.Error("failed to create de-noise request", zap.String("url", tcs.URI), zap.Error(err))414 return415 }416 k.setKey(r)417 r.Header.Set("Content-Type", "application/json")418 _, err = k.client.Do(r)419 if err != nil {420 k.Log.Error("failed to send de-noise request to backend", zap.String("url", tcs.URI), zap.Error(err))421 return422 }423}424func (k *Keploy) Get(id string) *models.TestCase {425 url := fmt.Sprintf("%s/regression/testcase/%s", k.cfg.Server.URL, id)426 body, err := k.newGet(url)427 if err != nil {428 k.Log.Error("failed to fetch testcases from keploy cloud", zap.Error(err))429 return nil430 }431 var tcs models.TestCase432 err = json.Unmarshal(body, &tcs)433 if err != nil {434 k.Log.Error("failed to read testcases from keploy cloud", zap.Error(err))435 return nil436 }437 return &tcs438}439func (k *Keploy) newGet(url string) ([]byte, error) {440 req, err := http.NewRequest("GET", url, http.NoBody)441 if err != nil {442 return nil, err443 }444 k.setKey(req)445 resp, err := k.client.Do(req)446 if err != nil {447 return nil, err448 }449 if resp.StatusCode != http.StatusOK {450 return nil, errors.New("failed to send get request: " + resp.Status)451 }452 defer resp.Body.Close()453 body, err := ioutil.ReadAll(resp.Body)454 if err != nil {455 return nil, err456 }457 return body, nil458}459func (k *Keploy) fetch() []models.TestCase {460 var tcs []models.TestCase = []models.TestCase{}461 for i := 0; ; i += 25 {462 url := fmt.Sprintf("%s/regression/testcase?app=%s&offset=%d&limit=%d", k.cfg.Server.URL, k.cfg.App.Name, i, 25)463 body, err := k.newGet(url)464 if err != nil {465 k.Log.Error("failed to fetch testcases from keploy cloud", zap.Error(err))466 return nil467 }468 var res []models.TestCase469 err = json.Unmarshal(body, &res)470 if err != nil {471 k.Log.Error("failed to reading testcases from keploy cloud", zap.Error(err))472 return nil473 }474 if len(res) == 0 {475 break476 }477 tcs = append(tcs, res...)478 }479 return tcs480}481func (k *Keploy) setKey(req *http.Request) {482 if k.cfg.Server.LicenseKey != "" {483 req.Header.Set("key", k.cfg.Server.LicenseKey)484 }485}...

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regression.go

Source:regression.go Github

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...22 r.Get("/", s.GetTCS)23 r.Post("/", s.PostTC)24 })25 r.Post("/test", s.Test)26 r.Post("/denoise", s.DeNoise)27 r.Get("/start", s.Start)28 r.Get("/end", s.End)29 //r.Get("/search", searchArticles) // GET /articles/search30 })31}32type regression struct {33 logger *zap.Logger34 svc regression2.Service35 run run.Service36}37func (rg *regression) End(w http.ResponseWriter, r *http.Request) {38 id := r.URL.Query().Get("id")39 status := run.TestRunStatus(r.URL.Query().Get("status"))40 stat := run.TestRunStatusFailed41 if status == "true" {42 stat = run.TestRunStatusPassed43 }44 now := time.Now().Unix()45 err := rg.run.Put(r.Context(), run.TestRun{46 ID: id,47 Updated: now,48 Status: stat,49 })50 if err != nil {51 render.Render(w, r, ErrInvalidRequest(err))52 return53 }54 render.Status(r, http.StatusOK)55}56func (rg *regression) Start(w http.ResponseWriter, r *http.Request) {57 t := r.URL.Query().Get("total")58 total, err := strconv.Atoi(t)59 if err != nil {60 render.Render(w, r, ErrInvalidRequest(err))61 return62 }63 app := rg.getMeta(w, r, true)64 if app == "" {65 return66 }67 id := uuid.New().String()68 now := time.Now().Unix()69 // user := "default"70 err = rg.run.Put(r.Context(), run.TestRun{71 ID: id,72 Created: now,73 Updated: now,74 Status: run.TestRunStatusRunning,75 CID: graph.DEFAULT_COMPANY,76 App: app,77 User: graph.DEFAULT_USER,78 Total: total,79 })80 if err != nil {81 render.Render(w, r, ErrInvalidRequest(err))82 return83 }84 render.Status(r, http.StatusOK)85 render.JSON(w, r, map[string]string{86 "id": id,87 })88}89func (rg *regression) GetTC(w http.ResponseWriter, r *http.Request) {90 id := chi.URLParam(r, "id")91 app := rg.getMeta(w, r, false)92 tcs, err := rg.svc.Get(r.Context(), graph.DEFAULT_COMPANY, app, id)93 if err != nil {94 render.Render(w, r, ErrInvalidRequest(err))95 return96 }97 render.Status(r, http.StatusOK)98 render.JSON(w, r, tcs)99}100func (rg *regression) getMeta(w http.ResponseWriter, r *http.Request, appRequired bool) string {101 app := r.URL.Query().Get("app")102 if app == "" && appRequired {103 rg.logger.Error("request for fetching testcases should include app id")104 render.Render(w, r, ErrInvalidRequest(errors.New("missing app id")))105 return ""106 }107 return app108}109func (rg *regression) GetTCS(w http.ResponseWriter, r *http.Request) {110 app := rg.getMeta(w, r, true)111 if app == "" {112 return113 }114 offsetStr := r.URL.Query().Get("offset")115 limitStr := r.URL.Query().Get("limit")116 var (117 offset int118 limit int119 err error120 )121 if offsetStr != "" {122 offset, err = strconv.Atoi(offsetStr)123 if err != nil {124 rg.logger.Error("request for fetching testcases in converting offset to integer")125 }126 }127 if limitStr != "" {128 limit, err = strconv.Atoi(limitStr)129 if err != nil {130 rg.logger.Error("request for fetching testcases in converting limit to integer")131 }132 }133 tcs, err := rg.svc.GetAll(r.Context(), graph.DEFAULT_COMPANY, app, &offset, &limit)134 if err != nil {135 render.Render(w, r, ErrInvalidRequest(err))136 return137 }138 render.Status(r, http.StatusOK)139 render.JSON(w, r, tcs)140}141func (rg *regression) PostTC(w http.ResponseWriter, r *http.Request) {142 // key := r.Header.Get("key")143 // if key == "" {144 // rg.logger.Error("missing api key")145 // render.Render(w, r, ErrInvalidRequest(errors.New("missing api key")))146 // return147 // }148 data := &TestCaseReq{}149 if err := render.Bind(r, data); err != nil {150 rg.logger.Error("error parsing request", zap.Error(err))151 render.Render(w, r, ErrInvalidRequest(err))152 return153 }154 // rg.logger.Debug("testcase posted",zap.Any("testcase request",data))155 now := time.Now().UTC().Unix()156 inserted, err := rg.svc.Put(r.Context(), graph.DEFAULT_COMPANY, []models.TestCase{{157 ID: uuid.New().String(),158 Created: now,159 Updated: now,160 Captured: data.Captured,161 URI: data.URI,162 AppID: data.AppID,163 HttpReq: data.HttpReq,164 HttpResp: data.HttpResp,165 Deps: data.Deps,166 }})167 if err != nil {168 rg.logger.Error("error putting testcase", zap.Error(err))169 render.Render(w, r, ErrInvalidRequest(err))170 return171 }172 // rg.logger.Debug("testcase inserted",zap.Any("testcase ids",inserted))173 if len(inserted) == 0 {174 rg.logger.Error("unknown failure while inserting testcase")175 render.Render(w, r, ErrInvalidRequest(err))176 return177 }178 render.Status(r, http.StatusOK)179 render.JSON(w, r, map[string]string{"id": inserted[0]})180}181func (rg *regression) DeNoise(w http.ResponseWriter, r *http.Request) {182 // key := r.Header.Get("key")183 // if key == "" {184 // rg.logger.Error("missing api key")185 // render.Render(w, r, ErrInvalidRequest(errors.New("missing api key")))186 // return187 // }188 data := &TestReq{}189 if err := render.Bind(r, data); err != nil {190 rg.logger.Error("error parsing request", zap.Error(err))191 render.Render(w, r, ErrInvalidRequest(err))192 return193 }194 err := rg.svc.DeNoise(r.Context(), graph.DEFAULT_COMPANY, data.ID, data.AppID, data.Resp.Body, data.Resp.Header)195 if err != nil {196 rg.logger.Error("error putting testcase", zap.Error(err))197 render.Render(w, r, ErrInvalidRequest(err))198 return199 }200 render.Status(r, http.StatusOK)201}202func (rg *regression) Test(w http.ResponseWriter, r *http.Request) {203 data := &TestReq{}204 if err := render.Bind(r, data); err != nil {205 rg.logger.Error("error parsing request", zap.Error(err))206 render.Render(w, r, ErrInvalidRequest(err))207 return208 }...

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service.go

Source:service.go Github

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...7type Service interface {8 Get(ctx context.Context, cid, appID, id string) (models.TestCase, error)9 GetAll(ctx context.Context, cid, appID string, offset *int, limit *int) ([]models.TestCase, error)10 Put(ctx context.Context, cid string, t []models.TestCase) ([]string, error)11 DeNoise(ctx context.Context, cid, id, app, body string, h http.Header) error12 Test(ctx context.Context, cid, app, runID, id string, resp models.HttpResp) (bool, error)13 GetApps(ctx context.Context, cid string) ([]string, error)14 UpdateTC(ctx context.Context, t []models.TestCase) error15 DeleteTC(ctx context.Context, cid, id string) error16}...

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DeNoise

Using AI Code Generation

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1import (2func main() {3 r := new(regression.Regression)4 r.SetObserved("y")5 r.SetVar(0, "x")6 r.Train(regression.Data{7 regression.Var("x"), regression.Var("y"),8 }, []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})9 r.Denoise(0.5, 0.5)10 fmt.Printf("R-Squared: %0.2f11}

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DeNoise

Using AI Code Generation

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1import "fmt"2import "github.com/kniren/gota/dataframe"3import "github.com/kniren/gota/series"4import "github.com/kniren/gota/series/floats"5import "github.com/sajari/regression"6import "os"7import "strconv"8func main() {9 f, err := os.Open("Advertising.csv")10 if err != nil {11 fmt.Println(err)12 }13 defer f.Close()14 advertDF := dataframe.ReadCSV(f)15 r.SetObserved("Sales")16 r.SetVar(0, "TV")17 r.SetVar(1, "Radio")18 r.SetVar(2, "Newspaper")19 for i, floatVal := range advertDF.Col("TV").Float() {20 r.Train(regression.DataPoint(floatVal, []float64{21 advertDF.Col("Radio").Float()[i],22 advertDF.Col("Newspaper").Float()[i],23 advertDF.Col("Sales").Float()[i],24 }))25 }26 r.Run()27 fmt.Printf("\nRegression Formula:\n%v\n\n", r.Formula)28 pts := make([]regression.Point, 4)29 pts[0].X = []float64{230.1, 37.8, 69.2}30 pts[1].X = []float64{44.5, 39.3, 45.1}31 pts[2].X = []float64{17.2, 45.9, 69.3}32 pts[3].X = []float64{151.5, 41.3, 58.5}33 for i, pt := range pts {34 y, err := r.Predict(pt.X)35 if err != nil {36 fmt.Println(err)37 }38 }39 predDF := dataframe.New(pts)40 joinedDF := advertDF.Join(predDF)

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DeNoise

Using AI Code Generation

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1import (2func main() {3 r.SetObserved("Height")4 r.SetVar(0, "Weight")5 r.Train(regression.Data{6 {Y: 67.0, X: []float64{170}},7 {Y: 68.0, X: []float64{180}},8 {Y: 72.0, X: []float64{200}},9 {Y: 65.0, X: []float64{150}},10 {Y: 60.0, X: []float64{140}},11 {Y: 70.0, X: []float64{190}},12 {Y: 75.0, X: []float64{210}},13 {Y: 80.0, X: []float64{220}},14 {Y: 78.0, X: []float64{215}},15 {Y: 55.0, X: []float64{130}},16 {Y: 59.0, X: []float64{135}},17 {Y: 62.0, X: []float64{145}},18 {Y: 66.0, X: []float64{160}},19 })20 fmt.Printf("Regression Formula: %v21 fmt.Printf("R2: %v22 fmt.Printf("Sigma: %v23 fmt.Printf("StdErr: %v24 fmt.Printf("AIC: %v25 fmt.Printf("BIC: %v26 fmt.Printf("F Statistic: %v27 fmt.Printf("F Statistic P-Value: %v28 fmt.Printf("T Statistic: %v29 fmt.Printf("T Statistic P-Value: %v30 fmt.Printf("Beta: %v31 fmt.Printf("Beta StdErr: %v32 fmt.Printf("Beta T Statistic: %v33 fmt.Printf("Beta T Statistic P

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DeNoise

Using AI Code Generation

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1import (2func main() {3 r := new(regression.Regression)4 r.SetObserved("y")5 r.SetVar(0, "x")6 r.Train(regression.DataPoint(1, []float64{1}, []float64{1}))7 r.Train(regression.DataPoint(2, []float64{2}, []float64{2}))8 r.Train(regression.DataPoint(3, []float64{3}, []float64{3}))9 r.Train(regression.DataPoint(4, []float64{4}, []float64{4}))10 r.Train(regression.DataPoint(5, []float64{5}, []float64{5}))11 r.Train(regression.DataPoint(6, []float64{6}, []float64{6}))12 r.Train(regression.DataPoint(7, []float64{7}, []float64{7}))13 r.Train(regression.DataPoint(8, []float64{8}, []float64{8}))14 r.Train(regression.DataPoint(9, []float64{9}, []float64{9}))15 r.Train(regression.DataPoint(10, []float64{10}, []float64{10}))16 r.Train(regression.DataPoint(11, []float64{11}, []float64{11}))17 r.Train(regression.DataPoint(12, []float64{12}, []float64{12}))18 r.Train(regression.DataPoint(13, []float64{13}, []float64{13}))19 r.Train(regression.DataPoint(14, []float64{14}, []float64{14}))20 r.Train(regression.DataPoint(15, []float64{15}, []float64{15}))21 r.Train(regression.DataPoint(16, []float64{16}, []float64{16}))22 r.Train(regression.DataPoint(17, []float64{17}, []float64{17}))23 r.Train(regression.DataPoint(18, []float64{18}, []float64{18}))24 r.Train(regression.DataPoint(19, []float64{19}, []float64{19

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DeNoise

Using AI Code Generation

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1import (2func main() {3 for i := 0; i < 100; i++ {4 x = append(x, float64(i))5 y = append(y, float64(i))6 z = append(z, float64(i))7 }

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DeNoise

Using AI Code Generation

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1import (2func main() {3 x = []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}4 y = []float64{1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 11.1}5 r.DeNoise(x, y)6 fmt.Println(r.X)7 fmt.Println(r.Y)8 fmt.Println(r.N)9 fmt.Println(r.Sx)10 fmt.Println(r.Sy)11 fmt.Println(r.Sxx)12 fmt.Println(r.Syy)13 fmt.Println(r.Sxy)14 fmt.Println(r.Delta)15 fmt.Println(r.A)16 fmt.Println(r.B)17 fmt.Println(r.R2)18}19import (20func main() {21 x = []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}22 y = []float64{1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 11.1}23 r.DeNoise(x, y)24 fmt.Println(r.X)25 fmt.Println(r.Y)26 fmt.Println(r.N)27 fmt.Println(r.Sx)28 fmt.Println(r.Sy)29 fmt.Println(r.Sxx)30 fmt.Println(r.Syy)31 fmt.Println(r.Sxy)32 fmt.Println(r.Delta)33 fmt.Println(r.A)34 fmt.Println(r.B)35 fmt.Println(r.R2)36}37import (

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1import (2func main() {3 reg.SetMethod(regression.Denoise)4 reg.SetParams(&regression.DenoiseParams{5 })6 rng := go_rng.NewGoRng()7 rand.Seed(time.Now().UnixNano())8 for i := 0; i < 100; i++ {9 xi := float64(i) / 1010 yi := math.Sin(xi) + 0.1*rng.Normal()11 x = append(x, xi)12 y = append(y, yi)13 obs = append(obs, regression.Observation{14 X: []float64{xi},15 })16 }17 reg.SetObs(obs)18 reg.Fit()19 coeffs := reg.Coeffs()20 fmt.Println("Coefficients:")21 for i, coeff := range coeffs {22 fmt.Printf("Coeff %v: %0.2f23 }24 fmt.Println("Residual Sum of Squares:", reg.RSS())25 p, err := plot.New()26 if err != nil {27 panic(err)28 }29 s, err := plotter.NewScatter(mat64.NewDense(len(x), 2, nil))30 if err != nil {31 panic(err)32 }

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DeNoise

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1import (2func main() {3 x = []float64{1, 2, 3, 4, 5}4 y = []float64{1, 2, 3, 4, 5}5 r := regression.Regression{}6 r.SetData(x, y)7 r.Denoise()8}

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1import "regression"2import "fmt"3func main() {4 r := regression.Regression{}5 r.Train(regression.DataPoint(1.2, 2.4))6 r.Train(regression.DataPoint(2.4, 3.6))7 r.Train(regression.DataPoint(3.6, 4.8))8 r.Train(regression.DataPoint(4.8, 6.0))9 r.Train(regression.DataPoint(6.0, 7.2))10 r.Train(regression.DataPoint(7.2, 8.4))11 r.Train(regression.DataPoint(8.4, 9.6))12 r.Train(regression.DataPoint(9.6, 10.8))13 r.Train(regression.DataPoint(10.8, 12.0))14 r.Train(regression.DataPoint(12.0, 13.2))15 r.Train(regression.DataPoint(13.2, 14.4))16 r.Train(regression.DataPoint(14.4, 15.6))17 r.Train(regression.DataPoint(15.6, 16.8))18 r.Train(regression.DataPoint(16.8, 18.0))19 r.Train(regression.DataPoint(18.0, 19.2))20 r.Train(regression.DataPoint(19.2, 20.4))21 r.Train(regression.DataPoint(20.4, 21.6))22 r.Train(regression.DataPoint(21.6, 22.8))23 r.Train(regression.DataPoint(22.8, 24.0))24 r.Train(regression.DataPoint(24.0, 25.2))25 r.Train(regression.DataPoint(25.2, 26.4))26 r.Train(regression.DataPoint(26.4, 27.6))27 r.Train(regression.DataPoint(27.6, 28.8))28 r.Train(regression.DataPoint(28.8, 30.0))29 r.Train(regression.DataPoint(30.0, 31.2))30 r.Train(regression.DataPoint(31.2, 32.4))

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