改变海底情节线的颜色 [英] Changing color of seaborn plot line

问题描述

我无法在seaborn中更改2d线的颜色。
我的绘图中有2条线，我想为它们分配不同的颜色。

I cant change color of a 2d line in seaborn. I have 2 lines in my plot and I want to assign different colors for both of them.

sns.set(style="whitegrid")
data = pd.DataFrame(result_prices, columns=['Size percentage increase'])
data2 = pd.DataFrame(result_sizes, columns=['Size percentage increase'])
sns_plot = sns.lineplot(data=data, color='red', linewidth=2.5)
sns_plot = sns.lineplot(data=data2, linewidth=2.5)
sns_plot.figure.savefig("size_percentage_increase.png")

但是 color ='red'不能更改颜色，为什么？

But color='red' does not change the color, why?

推荐答案

使用 color 参数仅适用于Series对象。由于您的数据框似乎只有一列，因此您可以将其创建为Series：

Using the color parameter only appears to work with Series objects. Since your dataframes seem to only be one column, you could create them as Series instead:

sns.set(style="whitegrid")
data = pd.Series(result_prices)
data2 = pd.Series(result_sizes)
sns_plot = sns.lineplot(data=data, color='red', linewidth=2.5)
sns_plot = sns.lineplot(data=data2, linewidth=2.5)
sns_plot.figure.savefig("size_percentage_increase.png")

文档就是一个例子

您也可以定义调色板：

sns.set(style="whitegrid")
data = pd.DataFrame(result_prices, columns=['Size percentage increase'])
data2 = pd.DataFrame(result_sizes, columns=['Size percentage increase'])
sns_plot = sns.lineplot(data=data, palette=['red'], linewidth=2.5)
sns_plot = sns.lineplot(data=data2, linewidth=2.5)
sns_plot.figure.savefig("size_percentage_increase.png")

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