我有一个数据集:
我想使用 Plotly 在堆叠和分组的条形图中可视化此数据集。不幸的是,Plotly没有这种类型的图表还没有,但这个解决办法,我尽力了。
我的代码:
sv_clusters = ["cluster_1", "cluster_2", "cluster_3", "cluster_4", "cluster_5", "cluster_6", "cluster_7"]
sv_data = sv_data[["Population", "Sample_name"] + sv_clusters]
for r in sv_clusters:
fig.add_trace(
go.Bar(
x=[sv_data.Population, sv_data.Sample_name],
y=sv_data[r],
name=r,
marker=dict(
line_width=0)),
)
fig.update_layout(
template="simple_white",
xaxis=dict(title_text=None),
yaxis=dict(title_text="fraction"),
width=2000,
bargap=0,
title='Alles',
barmode="stack",
现在我的情节是这样的:
我想删除 x 标签刻度,因为它使图表混乱(样本名称而不是总体名称)。所以我尝试了showticklabels=False
,结果是:
这将删除所有 x 轴标签。
如何删除样本名称刻度标签?
import requests
import pandas as pd
import numpy as np
import plotly.graph_objects as go
# generate some data... similar to what was presented
sv_data = pd.DataFrame(
{
"Population": pd.json_normalize(
requests.get("https://restcountries.eu/rest/v2/all").json()
)["subregion"].unique()
}
).loc[0:6,].assign(
Sample_name=lambda d: d["Population"]
.str[:2]
.str.upper()
.apply(lambda s: [f"{s}{i}" for i in range(1500, 1550)])
).explode(
"Sample_name"
).assign(**{f"cluster_{i}":lambda d: np.random.uniform(0,1, len(d)) for i in range(1,8)})
sv_clusters = ["cluster_1", "cluster_2", "cluster_3", "cluster_4", "cluster_5", "cluster_6", "cluster_7"]
sv_data = sv_data[["Population", "Sample_name"] + sv_clusters]
fig=go.Figure()
# instead of categoricals use concatenated value for x, define text to hover works
for r in sv_clusters:
fig.add_trace(
go.Bar(
x=sv_data.loc[:,["Population","Sample_name"]].apply(lambda r: " ".join(r), axis=1),
y=sv_data[r],
text=sv_data.loc[:,["Population","Sample_name"]].apply(lambda r: " ".join(r), axis=1),
name=r,
marker=dict(
line_width=0)),
)
# given simple x, set tick vals as wanted
fig.update_layout(
template="simple_white",
yaxis=dict(title_text="fraction"),
width=2000,
bargap=0,
title='Alles',
barmode="stack",
xaxis={"tickmode":"array", "tickvals":sv_data.loc[:,["Population","Sample_name"]].apply(lambda r: " ".join(r), axis=1),
"ticktext":np.where(sv_data["Population"]==sv_data["Population"].shift(), "", sv_data["Population"])}
)
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