func Group(ds *rdb.Dataset, key string) map[string]*rdb.Dataset {
values := ds.GetDatasetStringValues(key)
valueSet := map[string]string{}
for _, value := range values {
_, exists := valueSet[value]
if !exists {
valueSet[value] = value
}
}
grouped := map[string]*rdb.Dataset{}
for value, _ := range valueSet {
filter := func(str string) bool {
return str == value
}
grouped[value] = ds.FilterDataset(filter, key).RenameDataset(ds.GetName() + " " + value)
}
return grouped
}
func PlotXvsYGroupedByXs(title, directory string, groupeddss map[string][]*rdb.Dataset, yValuesKey, yValuesLabel, xValuesLabel string) {
var plottingPointArgs []interface{}
var plottingErrorArgs []interface{}
names := map[string]bool{}
xKeys := []float64{}
for xKey, dssGroup := range groupeddss {
xKeys = append(xKeys, datautils.ParseFloatOrFail(xKey))
for _, d := range dssGroup {
names[d.GetName()] = true
}
}
sort.Float64s(xKeys)
xKeyStrings := []string{}
for _, floatVal := range xKeys {
xKeyStrings = append(xKeyStrings, strconv.FormatFloat(floatVal, 'f', 1, 64))
}
for name, _ := range names {
datasetPointsAcrossGroups := []plotter.XYer{}
for _, groupKey := range xKeyStrings {
dssGroup := groupeddss[groupKey]
var ds *rdb.Dataset
for _, d := range dssGroup {
if d.GetName() == name {
ds = d
break
}
}
if ds == nil {
str := fmt.Sprintf("Couldn't find ds (%s) in dss group (%s)", name, groupKey)
panic(str)
}
values := ds.GetDatasetFloatValues(yValuesKey)
if len(values) == 0 {
continue
}
xys := make(plotter.XYs, len(values))
datasetPointsAcrossGroups = append(datasetPointsAcrossGroups, xys)
for i, val := range values {
xys[i].X = datautils.ParseFloatOrFail(groupKey)
xys[i].Y = val
}
}
mean95, err := plotutil.NewErrorPoints(plotutil.MeanAndConf95, datasetPointsAcrossGroups...)
if err != nil {
fmt.Println(mean95)
panic(err)
}
plottingPointArgs = append(plottingPointArgs, name, mean95)
plottingErrorArgs = append(plottingErrorArgs, mean95)
}
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = title
p.X.Label.Text = xValuesLabel
p.Y.Label.Text = yValuesLabel
plotutil.AddLinePoints(p, plottingPointArgs...)
plotutil.AddErrorBars(p, plottingErrorArgs...)
savePlot(title, directory, p)
}