Python中Plotly中的3D biplot

import plotly.graph_objects as go

import plotly.graph_objects as go

# 样本点的坐标
x = [1, 2, 3, 4, 5]
y = [2, 3, 1, 5, 4]
z = [3, 1, 2, 4, 5]

# 变量的权重
u = [0.5, 0.2, 0.3]
v = [0.8, 0.1, 0.1]
w = [0.3, 0.4, 0.3]

# 创建3D biplot
fig = go.Figure(data=[go.Scatter3d(
    x=x, y=y, z=z,
    mode='markers',
    marker=dict(
        size=10,
        color=z,
        colorscale='Viridis',
        opacity=0.8
    )
)])

# 设置变量的权重
fig.add_trace(go.Scatter3d(
    x=[0, u[0]],
    y=[0, u[1]],
    z=[0, u[2]],
    mode='lines',
    line=dict(color='red', width=5),
    name='Variable 1'
))

fig.add_trace(go.Scatter3d(
    x=[0, v[0]],
    y=[0, v[1]],
    z=[0, v[2]],
    mode='lines',
    line=dict(color='green', width=5),
    name='Variable 2'
))

fig.add_trace(go.Scatter3d(
    x=[0, w[0]],
    y=[0, w[1]],
    z=[0, w[2]],
    mode='lines',
    line=dict(color='blue', width=5),
    name='Variable 3'
))

# 设置图表布局
fig.update_layout(
    scene=dict(
        xaxis=dict(title='X'),
        yaxis=dict(title='Y'),
        zaxis=dict(title='Z')
    )
)

# 显示图表
fig.show()