PythonPlotlyサブプロット軸プレフィックス

Aug 29 2020

プロットサブプロットのx軸の接頭辞として通貨記号が必要です。コマンドは他の場所でも機能するので問題ありませんが、サブプロット関数と統合すると再生されるようです。

import pandas as pd
import numpy as np
import plotly.graph_objs as go
from plotly.subplots import make_subplots
import random

x = np.array(["France", "Spain", "Italy", "Chile"])

df = pd.DataFrame({"country": np.repeat(x, [10,10,10,10]).tolist(),
                       "rating": random.sample(range(0,100),40),
                      "price": random.sample(range(100,1000),40)})

scatter = make_subplots(rows = 2, cols = 2, shared_yaxes = True, shared_xaxes = True,
                        
                   subplot_titles = ("France", "Spain", "Italy", "Chile"),
                        x_title = "Price", y_title = "Rating"
                   )

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="France", "price"],
                            y = df.loc[df["country"]=="France", "rating"],
                            mode = "markers"),
                            row = 1, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Spain", "price"],
                            y = df.loc[df["country"]=="Spain", "rating"],
                            mode = "markers"),
                            row = 1, col = 2)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Italy", "price"],
                            y = df.loc[df["country"]=="Italy", "rating"],
                            mode = "markers"),
                            row = 2, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Chile", "price"],
                            y = df.loc[df["country"]=="Chile", "rating"],
                            mode = "markers"),
                            row = 2, col = 2)

scatter.update_layout(showlegend = False, plot_bgcolor = "white",
                     xaxis = dict(showtickprefix = "all", tickprefix = "£"))

scatter.show()

共有のx軸とy軸のコマンドを削除すると、通貨は左下のサブプロットにのみ表示されますが、これは実際には削除したくありません。

誰かがこれを回避する方法を知っていますか?

更新

現在、次のグラフを作成しています。

そして、私は以下を作成できるようにしたいと思います:

回答

2 rpanai Aug 29 2020 at 04:27

これはこの回答と非常に似ていると思います。アイデアは、以下を使用してfor_each_xaxis、すべてのトレースを更新することfor_each_yaxisです。

データ

import pandas as pd
import numpy as np
import plotly.graph_objs as go
from plotly.subplots import make_subplots
import random

x = np.array(["France", "Spain", "Italy", "Chile"])

df = pd.DataFrame({"country": np.repeat(x, [10,10,10,10]).tolist(),
                       "rating": random.sample(range(0,100),40),
                      "price": random.sample(range(100,1000),40)})

プロット

scatter = make_subplots(rows = 2, cols = 2,
                        shared_yaxes = True, shared_xaxes = True,
                        subplot_titles = ("France", "Spain", "Italy", "Chile"),
                        x_title = "Price", y_title = "Rating")

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="France", "price"],
                            y = df.loc[df["country"]=="France", "rating"],
                            mode = "markers"),
                            row = 1, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Spain", "price"],
                            y = df.loc[df["country"]=="Spain", "rating"],
                            mode = "markers"),
                            row = 1, col = 2)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Italy", "price"],
                            y = df.loc[df["country"]=="Italy", "rating"],
                            mode = "markers"),
                            row = 2, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Chile", "price"],
                            y = df.loc[df["country"]=="Chile", "rating"],
                            mode = "markers"),
                            row = 2, col = 2)

# New stuff from here
scatter = scatter.update_layout(showlegend = False, plot_bgcolor = "white")

def update_y(y):
    y.update(matches=None)
    y.showticklabels=True
    
def update_x(x):
    x.update(matches=None)
    x.showticklabels=True
    x.tickprefix = "£"
    
scatter.for_each_yaxis(update_y)
scatter.for_each_xaxis(update_x)

使用する plotly.express

必要に応じて、最終的にはplotly Expressを使用できますが、この場合は注釈も処理する必要があります。


import plotly.express as px

fig = px.scatter(
           df,
           x="price",
           y="rating",
           color="country",
           facet_col="country",
           facet_col_wrap=2,
           facet_row_spacing=0.2, # default is 0.07 when facet_col_wrap is used
           facet_col_spacing=0.04, # default is 0.03
           )

fig = fig.update_layout(showlegend = False, plot_bgcolor = "white")
fig.for_each_annotation(lambda a: a.update(text=a.text.split("=")[-1]))

def update_y(y):
    y.update(matches=None)
    y.showticklabels=True
    y.title.text = ""
    
def update_x(x):
    x.update(matches=None)
    x.showticklabels=True
    x.tickprefix = "£"
    x.title.text = ""


fig.for_each_yaxis(update_y)
fig.for_each_xaxis(update_x)

extra_annotations =[
        go.layout.Annotation(
            {
                'showarrow': False,
                'text': 'Price',
                'x': 0.5,
                'xanchor': 'center',
                'xref': 'paper',
                'y': 0,
                'yanchor': 'top',
                'yref': 'paper',
                'yshift': -30,
                'font': dict(
                    # family="Courier New, monospace",
                    size=16,
                    # color="#ffffff"
                    ),

            }),
         go.layout.Annotation(
            {
                'showarrow': False,
                'text': 'Rating',
                'x': 0,
                'xanchor': 'center',
                'xref': 'paper',
                'y': 0.7,
                'yanchor': 'top',
                'yref': 'paper',
                'xshift': -40,
                'textangle': -90,
                'font': dict(
                    # family="Courier New, monospace",
                    size=16,
                    # color="#ffffff"
                    ),

            })
        ]

annotations = list(fig.layout.annotations) + extra_annotations
fig.update_layout( annotations=annotations)

FluffySheep1990 Sep 03 2020 at 13:37

だから私はそれを行う方法を見つけました、あなたxaxisN_tickprefix = "£"は「N」がグラフのプロット番号であるコードでサブプロットを個別に更新する必要があります。この場合、私はプロット3と4、完全なコードと以下のグラフを更新しようとしていました。

import pandas as pd
import numpy as np
import plotly.graph_objs as go
from plotly.subplots import make_subplots
import random

x = np.array(["France", "Spain", "Italy", "Chile"])

df = pd.DataFrame({"country": np.repeat(x, [10,10,10,10]).tolist(),
                       "rating": random.sample(range(0,100),40),
                      "price": random.sample(range(100,1000),40)})

scatter = make_subplots(rows = 2, cols = 2, shared_yaxes = True, shared_xaxes = True,
                        
                   subplot_titles = ("France", "Spain", "Italy", "Chile"),
                        x_title = "Price", y_title = "Rating"
                   )

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="France", "price"],
                            y = df.loc[df["country"]=="France", "rating"],
                            mode = "markers"),
                            row = 1, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Spain", "price"],
                            y = df.loc[df["country"]=="Spain", "rating"],
                            mode = "markers"),
                            row = 1, col = 2)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Italy", "price"],
                            y = df.loc[df["country"]=="Italy", "rating"],
                            mode = "markers"),
                            row = 2, col = 1)

scatter.add_trace(go.Scatter(x = df.loc[df["country"]=="Chile", "price"],
                            y = df.loc[df["country"]=="Chile", "rating"],
                            mode = "markers"),
                            row = 2, col = 2)

scatter.update_layout(showlegend = False, plot_bgcolor = "white",
                     #xaxis = dict(showtickprefix = "all", tickprefix = "£")  <- old code
                     xaxis3_tickprefix = "£", xaxis4_tickprefix = "£") #new code

scatter.update_xaxes(range = [0,1000]) #also added to ensure the axis align
scatter.update_yaxes(range = [0,100]) #also added to ensure the axis align

scatter.show()