mv obs

Author: ksshannon

ebird/server/server.go

@@ -14,56 +14,9 @@ import (
 	_ "github.com/mattn/go-sqlite3"
 )
 
-// Sync with cmd/ebird_import.go
-type Obs struct {
-	GlobalUniqueIdentifier    string  `json:"global_unique_identifier,omitempty"`
-	LastEditedDate            string  `json:"last_edited_date,omitempty"`
-	TaxonomicOrder            string  `json:"taxonomic_order,omitempty"`
-	Category                  string  `json:"category,omitempty"`
-	CommonName                string  `json:"common_name,omitempty"`
-	ScientificName            string  `json:"scientific_name,omitempty"`
-	SubspeciesCommonName      string  `json:"subspecies_common_name,omitempty"`
-	SubspeciesScientificName  string  `json:"subspecies_scientific_name,omitempty"`
-	ObservationCount          int     `json:"observation_count,omitempty"`
-	BreedingBirdAtlasCode     string  `json:"breeding_bird_atlas_code,omitempty"`
-	BreedingBirdAtlasCategory string  `json:"breeding_bird_atlas_category,omitempty"`
-	AgeSex                    string  `json:"age_sex,omitempty"`
-	Country                   string  `json:"country,omitempty"`
-	CountryCode               string  `json:"country_code,omitempty"`
-	State                     string  `json:"state,omitempty"`
-	StateCode                 string  `json:"state_code,omitempty"`
-	County                    string  `json:"county,omitempty"`
-	CountyCode                string  `json:"county_code,omitempty"`
-	IBACode                   string  `json:"iba_code,omitempty"`
-	BCRCode                   string  `json:"bcr_code,omitempty"`
-	USFWSCode                 string  `json:"usfws_code,omitempty"`
-	AtlasBlock                string  `json:"atlas_block,omitempty"`
-	Locality                  string  `json:"locality"`
-	LocalityID                string  `json:"locality_id,omitempty"`
-	LocalityType              string  `json:"locality_type,omitempty"`
-	Latitude                  float64 `json:"latitude,omitempty"`
-	Longitude                 float64 `json:"longitude,omitempty"`
-	ObservationDate           string  `json:"observation_date,omitempty"`
-	TimeObservationsStarted   string  `json:"time_observations_started,omitempty"`
-	ObserverID                string  `json:"observer_id,omitempty"`
-	SamplingEventIdentifier   string  `json:"sampling_event_identifier,omitempty"`
-	ProtocolType              string  `json:"protocol_type,omitempty"`
-	ProtocolCode              string  `json:"protocol_code,omitempty"`
-	ProjectCode               string  `json:"project_code,omitempty"`
-	DurationMinutes           int     `json:"duration_minutes,omitempty"`
-	EffortDistanceKM          float64 `json:"effort_distance_km,omitempty"`
-	EffortAreaHA              float64 `json:"effort_area_ha,omitempty"`
-	NumberObservers           int     `json:"number_observers,omitempty"`
-	AllSpeciesReported        bool    `json:"all_species_reported,omitempty"`
-	GroupIdentifier           string  `json:"group_identifier,omitempty"`
-	HasMedia                  bool    `json:"has_media,omitempty"`
-	Approved                  bool    `json:"approved,omitempty"`
-	Reviewed                  bool    `json:"reviewed,omitempty"`
-	Reason                    string  `json:"reason,omitempty"`
-	TripComments              string  `json:"trip_comments"`
-	SpeciesComments           string  `json:"species_comments"`
+func htmlHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "<h1>Hello world!</h1>")
 }
-
 func obsHandler(w http.ResponseWriter, r *http.Request) {
 	row := db.QueryRow(`
 	SELECT common_name, age_sex, observation_count, locality, longitude, latitude,
@@ -184,7 +137,8 @@ func main() {
 	}
 
 	mux := &http.ServeMux{}
-	mux.HandleFunc("/", obsHandler)
+	mux.HandleFunc("/", htmlHandler)
+	mux.HandleFunc("/obs", obsHandler)
 	mux.HandleFunc("/species", speciesHandler)
 	mux.HandleFunc("/codes", codeHandler)
 	go func() {

tut/stat/stat.go

@@ -4,20 +4,36 @@ import (
 	"math"
 )
 
+const (
+	flagMin   = 1 << 0
+	flagMax   = 1 << 1
+	flagStan  = 1 << 2
+	flagMean  = 1 << 3
+	flagClean = flagMin | flagMax | flagStan | flagMean
+)
+
 type Stats struct {
-	data []float64
+	data                 []float64
+	min, max, stan, mean float64
+	clean                uint8
 }
 
 func (s *Stats) Add(x ...float64) { //append
 	s.data = append(s.data, x...)
+	s.clean = 0
 }
 
 func (s *Stats) Mean() float64 {
+	if s.clean&flagMean > 0 {
+		return s.mean
+	}
 	mean := 0.0
 	for _, x := range s.data {
 		mean += x
 	}
-	return mean / float64(len(s.data)) //has to divide float by float, not float by integer
+	s.mean = mean / float64(len(s.data))
+	s.clean = s.clean | flagMean
+	return s.mean
 }
 
 func (s *Stats) Min() float64 {
@@ -42,8 +58,9 @@ func (s *Stats) Max() float64 {
 
 func (s *Stats) Stan() float64 {
 	stdev := 0.0
+	mean := s.Mean()
 	for _, x := range s.data {
-		stdev += (x - s.Mean()) * (x - s.Mean())
+		stdev += (x - mean) * (x - mean)
 	}
 	stdev = stdev / float64(len(s.data))
 	stdev = math.Sqrt(stdev)