我正在尝试在 Python 中的 Plotly 散点图中的数据点旁边添加文本标签,但出现错误。
我怎样才能做到这一点?
这是我的数据框:
world_rank university_name country teaching international research citations income total_score num_students student_staff_ratio international_students female_male_ratio year
0 1 Harvard University United States of America 99.7 72.4 98.7 98.8 34.5 96.1 20,152 8.9 25% NaN 2011
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这是我的代码片段:
citation = go.Scatter(
x = "World Rank" + timesData_df_top_50["world_rank"], <--- error
y = "Citation" + timesData_df_top_50["citations"], <--- error
mode = "lines+markers",
name = "citations",
marker = dict(color = 'rgba(48, 217, 189, 1)'),
text= timesData_df_top_50["university_name"])
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错误如下所示。
TypeError: ufunc 'add' did …Run Code Online (Sandbox Code Playgroud) 我在dash_table.DataTable数据框中显示,其中有一列颜色名称为十六进制格式,代码如下:
import dash
import dash_table
import pandas as pd
df = pd.DataFrame(data = dict(COLOR = ['#1f77b4', '#d62728', '#e377c2', '#17becf', '#bcbd22'],
VALUE = [1, 2, 3, 4, 5]))
app = dash.Dash(__name__)
app.layout = html.Div([dash_table.DataTable(id = 'table',
columns = [{"name": i, "id": i} for i in df.columns],
data = df.to_dict('records'))],
style = dict(width = '200px'))
if __name__ == '__main__':
app.run_server()
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这就是我得到的:
我想设置每个单元格及其内容的背景颜色(可能还有字体颜色),但仅限于该列(始终是表格的第一列)以获得以下结果:
对我来说可以dash_table.DataTable用plotly.graph_objects.Table(文档)替换,这也许更可定制;plotly.graph_objects.Table前提是我可以在仪表板中实现dash。
版本信息:
Python 3.7.0
dash 1.12.0
dash-table 4.7.0 …Run Code Online (Sandbox Code Playgroud) 我有 6 个时间序列值,如下所示。
import numpy as np
series = np.array([
[0., 0, 1, 2, 1, 0, 1, 0, 0],
[0., 1, 2, 0, 0, 0, 0, 0, 0],
[1., 2, 0, 0, 0, 0, 0, 1, 1],
[0., 0, 1, 2, 1, 0, 1, 0, 0],
[0., 1, 2, 0, 0, 0, 0, 0, 0],
[1., 2, 0, 0, 0, 0, 0, 1, 1]])
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假设,我想获取动态时间扭曲的距离矩阵来执行聚类。我dtaidistance为此使用了库,如下所示。
from dtaidistance import dtw
ds = dtw.distance_matrix_fast(series)
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我得到的输出如下。
array([[ inf, 1.41421356, 2.23606798, 0. …Run Code Online (Sandbox Code Playgroud) 我正在使用滑块来显示热图动画,并希望重新标记滑块上出现的刻度线。
我的动画中有 50 帧,热图中的每个矩阵的尺寸为 7×7,其中七行/列对应于列表,labels=['A','B','C','D '、'D'、'F'、'G']。此外,在我的应用程序中,每个帧对应于 5 秒的窗口,因此,例如,第 3 帧对应于 15 秒。这是到目前为止我的简单示例,我模仿https://plotly.com/python/sliders/上的文档
import numpy as np
import plotly.graph_objs as go
N = 50
M = np.random.random((N, 7, 7))
labels=['A','B','C','D','D','F','G']
window_length=5
fig = go.Figure()
for step in range(N):
fig.add_trace(
go.Heatmap(x=labels,y=labels,z=M[step]))
fig.data[1].visible = True
# Create and add slider
steps = []
for i in range(len(fig.data)):
step = dict(
method="update",
args=[{"visible": [False] * len(fig.data)},
{"title": "Time: " + str(window_length*i)+' sec'}],)
step["args"][0]["visible"][i] = True # Toggle i'th trace to "visible"
steps.append(step)
sliders …Run Code Online (Sandbox Code Playgroud) 当尝试使用以下代码生成图形时
@app.callback(
[
Output("selected-plot", "figure")
],
[
Input("submit-selected-plotting", "n_clicks"),
State("table", "data")
],
)
def plot(button_clicked, data)
fig = go.Scatter(x=data["index"],
y=data["result"],
mode='lines',
name='result')
return fig
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和
dbc.Col(
[
dcc.Graph(id='selected-plot')
],
width=6,
)
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我收到一个奇怪的错误,应用程序期待不同的对象:
dash._grouping.SchemaTypeValidationError:架构:[<Output
selected-plots.figure>] 路径:() 预期类型:(<class 'tuple'>,<class 'list'>) 收到类型 <class 'plotly.graph_objs._scatter.Scatter' 的值>: 分散({...})
我已经尝试了一切,但似乎无法解决这个错误。感谢您提前提出任何建议!
I'm currently trying to make a confusion matrix for my neural network model, but keep getting this error:
ValueError: Classification metrics can't handle a mix of binary and continuous targets.
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I have a peptide dataset that I'm using with 100 positive and 100 negative examples, and the labels are 1s and 0s. I've converted each peptide into a Word2Vec embedding that was put into a ML model and trained.
This is my code:
pos = "/content/drive/MyDrive/pepfun/Training_format_pos (1).txt"
neg = "/content/drive/MyDrive/pepfun/Training_format_neg.txt" …Run Code Online (Sandbox Code Playgroud) 初始化列表列表:
data = [[1.0, 0.635165,0.0], [1.0, 0.766586,1.0], [1.0, 0.724564,1.0],
[1.0, 0.766586,1.0],[1.0, 0.889199,1.0],[1.0, 0.966586,1.0],
[1.0, 0.535165,0.0],[1.0, 0.55165,0.0],[1.0, 0.525165,0.0],
[1.0, 0.5595165,0.0] ]
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创建 Pandas 数据框:
df = pd.DataFrame(data, columns = ['y', 'prob','y_predict'])
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打印数据框。
print(df)
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对于这个数据集,我想找到:
如何在 python 中做到这一点?
我正在创建一个dash应用程序,这是我的代码:
# import required packages
import dash
import dash_table
import dash_core_components as dcc
import dash_html_components as html
import dash_bootstrap_components as dbc
import plotly.graph_objs as go
import numpy as np
import pandas as pd
# define figure creation function
def create_figure():
N = 100
x_min = 0
x_max = 10
y_min = 0
y_max = 10
blue = '#6683f3'
orange = '#ff9266'
grey = '#e0e1f5'
black = '#212121'
x = np.linspace(x_min, x_max, N)
y = np.linspace(y_min, y_max, N)
XX, …Run Code Online (Sandbox Code Playgroud) 我在 plotly/dash 中有一个基本的数据表。我的目标是在按下上传按钮后上传(或为了示例而打印...)。
问题是,我不知道如何将按钮的 n_clicks 属性恢复为零。所以发生的事情是,在我第一次点击按钮后,只要有变化(添加行或更改/添加数字),它就会连续打印,但我想要的是每当我点击按钮时它只打印一次。
这是代码:
import dash
from dash.dependencies import Input, Output, State
import dash_table
import dash_daq as daq
import dash_core_components as dcc
import dash_html_components as html
import pandas as pd
external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
df = pd.read_csv('.../dummy_csv.csv')
app = dash.Dash(__name__)
app.layout = html.Div([
html.Div(id='my-div'),
dash_table.DataTable(
id='adding-rows-table',
style_data={
'whiteSpace': 'normal',
'height': 'auto'
},
style_table={
'maxHeight': '800px'
, 'overflowY': 'scroll'
},
columns=[
{'name': i, 'id': i} for i in df.columns
],
data=df.to_dict('records'),
editable=True,
row_deletable=True
),
html.Button('+ Row', id='editing-rows-button', n_clicks=0),
html.Button('Update', …Run Code Online (Sandbox Code Playgroud) 我正在尝试dash_bootstrap_components.Collapse在我的dash应用程序中实现 a ,但它的行为存在问题。这里的代码,我不是自己写的,我只是从dash_bootstrap_components.Collapse 文档中复制过来的:
import dash
import dash_bootstrap_components as dbc
import dash_html_components as html
from dash.dependencies import Input, Output, State
app = dash.Dash()
app.layout = html.Div([dbc.Button('Open collapse',
id = 'collapse-button',
className = 'mb-3',
color = 'primary'),
dbc.Collapse(dbc.Card(dbc.CardBody('This content is hidden in the collapse')),
id = 'collapse')])
@app.callback(Output('collapse', 'is_open'),
[Input('collapse-button', 'n_clicks')],
[State('collapse', 'is_open')])
def toggle_collapse(n, is_open):
if n:
return not is_open
return is_open
if __name__ == "__main__":
app.run_server()
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这就是我得到的:
当我点击按钮时,没有任何反应。
我试图找出问题出在哪里,我发现:
n在app.callback初始化为 …python ×10
plotly-dash ×5
plotly ×3
auc ×1
callback ×1
collapse ×1
css ×1
datatable ×1
dtw ×1
html ×1
javascript ×1
keras ×1
layout ×1
roc ×1
scatter ×1
tensorflow ×1
time-series ×1