python绘制词云图
python绘制词云图
简介：本文讲解如何通过python绘制词云图。
需要注意的是，需要将代码中的your_excel_file_path.xlsx替换为你自己的Excel文件路径，column_name替换为你要生成词云图的那一列的列名。另外，还可以根据需要调整参数，如停用词、词云图大小、背景颜色等。
效果展示
import pandas as pd
import jieba
from collections import Counter
from wordcloud import WordCloud
import matplotlib.pyplot as plt
# 读取评论数据
df = pd.read_excel(r'D:\系统默认\桌面\京东评论-当前商品最近评论.xlsx')
# 文本预处理
df['comment'] = df['comment'].apply(lambda x: ' '.join(jieba.lcut(x))) # 分词
# 读取停用词
with open('D:\系统默认\桌面\stop_words_eng.txt', 'r', encoding='utf-8') as f:
stop_words = f.read().split('\n')
df['comment'] = df['comment'].apply(lambda x: ' '.join([word for word in
x.split() if word not in stop_words])) # 去除停用词
# 统计单词出现频率
words = []
for comment in df['comment']:
words += comment.split()
word_count = Counter(words).most_common(100)
print(word_count)
生成词云图
font_path = r'C:\Windows\Fonts\msyh.ttc' # 指定微软雅黑字体路径
wordcloud = WordCloud(width=800, height=600, background_color='white',
font_path=font_path).generate_from_frequencies(word_count)
plt.imshow(wordcloud, interpolation='bilinear')
plt.axis('off')
plt.show()
这里给一份常用的停词
stop_words_eng.txt
a
aaaaah
aaahhh
aaaoe
aah
about
above
ac
according
accordingly
across
actually
ad
adj
af
after
afterwards
again
against
al
albeit
all
almost
alone
along
already
als
also
although
always
am
among
amongst
amoungst
amount
an
and
another
any
anybody
anyhow
anyone
anything
anyway
anywhere
ap
apart
apparently
are
aren
arise
around
as
aside
at
au
auf
aus
aux
av
avec
away
b
back
be
became
because
become
becomes
becoming
been
before
beforehand
began
begin
beginning
begins
behind
bei
being
below
beside
besides
best
better
between
beyond
bill
billion
both
bottom
briefly
but
by
c
call
came
can
cannot
canst
cant
caption
captions
certain
certainly
cf
choose
chooses
choosing
chose
chosen
clear
clearly
co
come
comes
computer
con
contrariwise
cos
could
couldn
couldnt
cry
cu
d
da
dans
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day
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