导入txt文本数据后再使用pyecharts绘制词云图
时间: 2024-02-28 11:57:40 浏览: 128
要使用 Pyecharts 绘制词云图,需要先将数据导入到 Python 中,然后使用 Pyecharts 的 `WordCloud` 类进行绘制。
假设你已经将文本数据保存在一个 TXT 文件中,每行一个词,例如:
```
Python
Java
C++
JavaScript
PHP
Python
Python
Java
```
那么可以使用 Python 的文件操作来读取 TXT 文件,并将每个词的出现次数计数。然后将计数结果转换成 Pyecharts 能够识别的格式。代码示例如下:
```python
from collections import Counter
from pyecharts.charts import WordCloud
from pyecharts import options as opts
# 从 TXT 文件中读取数据
with open('words.txt', 'r') as f:
words = f.read().splitlines()
# 计算每个词的出现次数
word_freq = Counter(words)
# 将数据转换为 list of tuple 格式
words = list(word_freq.items())
# 绘制词云图
wc = WordCloud()
wc.add("", words)
wc.set_global_opts(
title_opts=opts.TitleOpts(title="词云图示例"),
)
wc.render("wordcloud.html")
```
在代码中需要将 `words.txt` 替换为实际的数据文件路径。
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