KaneAI - World’s First E2E Software Testing Agent.Book a Demo 
How to use DeNoise method of regression Package
Best Keploy code snippet using regression.DeNoise
keploy.go
Source:keploy.go 
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(®ression.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(®ression.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}...
regression.go
Source:regression.go
...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 }...
service.go
Source:service.go
...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}...
DeNoise
Using AI Code Generation
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}
DeNoise
Using AI Code Generation
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)
DeNoise
Using AI Code Generation
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
DeNoise
Using AI Code Generation
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
DeNoise
Using AI Code Generation
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 }
DeNoise
Using AI Code Generation
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 (
DeNoise
Using AI Code Generation
1import (2func main() {3 reg.SetMethod(regression.Denoise)4 reg.SetParams(®ression.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 }
DeNoise
Using AI Code Generation
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}
DeNoise
Using AI Code Generation
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))
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Keploy automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
