I am trying to plot 3 subplots with secondary y axis with plotly subplots. But no matter what I am trying, still getting this type of error.
ValueError: The 'specs' argument to make_subplots must be a 2D list of dictionaries with dimensions (3 x 1). Received value of type <class 'list'>: [[{'secondary_y': True}, {'secondary_y': True}, {'secondary_y': True}]]
Thank you for help
import pandas as pd
from plotly.subplots import make_subplots
data1 = {'number': [1,2,3,4], '1value': [20, 21, 19, 18],'2value': [30, 40, 65, 80],'3value': [400, 500, 600, 700]}
df1 = pd.DataFrame(data1)
data2 = {'number': [1,2,3,4], '1value': [80, 120, 100, 200],'2value': [300, 60, 80, 150],'3value': [700, 800, 900, 1000]}
df2 = pd.DataFrame(data2)
data3 = {'number': [1,2,3,4], '1value': [150, 200, 100, 170],'2value': [350, 40, 500, 200],'3value': [100, 200, 300, 400]}
df3 = pd.DataFrame(data3)
fig = make_subplots (rows=3,cols=1,vertical_spacing=0.2,
specs=[[{"secondary_y": True}, {"secondary_y": True}, {"secondary_y": True}]])
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['1value'],1), mode = 'lines'), row=1, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['2value'],1), mode = 'lines'),row=1, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['3value'],1), mode = 'lines'),row=1, col=1,secondary_y=True)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['1value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['2value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['3value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=d3["number"], y = df3['1value'], mode = 'lines'), row=3, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=d3["number"], y = df3['2value'], mode = 'lines'), row=3, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=d3["number"], y = df3['3value'], mode = 'lines'), row=3, col=1,secondary_y=False)
fig.show()
It's exactly as per the error message. Need a 2D 3x1 array of specs. You defined a 1D array of length 3.
fig = make_subplots (rows=3,cols=1,vertical_spacing=0.2,
specs=[[{"secondary_y": True}], [{"secondary_y": True}], [{"secondary_y": True}]])
import pandas as pd
from plotly.subplots import make_subplots
import plotly.graph_objects as go
data1 = {'number': [1,2,3,4], '1value': [20, 21, 19, 18],'2value': [30, 40, 65, 80],'3value': [400, 500, 600, 700]}
df1 = pd.DataFrame(data1)
data2 = {'number': [1,2,3,4], '1value': [80, 120, 100, 200],'2value': [300, 60, 80, 150],'3value': [700, 800, 900, 1000]}
df2 = pd.DataFrame(data2)
data3 = {'number': [1,2,3,4], '1value': [150, 200, 100, 170],'2value': [350, 40, 500, 200],'3value': [100, 200, 300, 400]}
df3 = pd.DataFrame(data3)
fig = make_subplots (rows=3,cols=1,vertical_spacing=0.2,
specs=[[{"secondary_y": True}], [{"secondary_y": True}], [{"secondary_y": True}]])
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['1value'],1), mode = 'lines'), row=1, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['2value'],1), mode = 'lines'),row=1, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df1["number"], y = round(df1['3value'],1), mode = 'lines'),row=1, col=1,secondary_y=True)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['1value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['2value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df2["number"], y = df2['3value'], mode = 'lines'), row=2, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df3["number"], y = df3['1value'], mode = 'lines'), row=3, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df3["number"], y = df3['2value'], mode = 'lines'), row=3, col=1,secondary_y=False)
fig.add_trace(go.Scatter(x=df3["number"], y = df3['3value'], mode = 'lines'), row=3, col=1,secondary_y=False)