我正在尝试使用以下数据集
在R中创建一个术语 - 文档矩阵 EmailSubject
Buy the stunning new phone
The game changer is here.
Experience a phone ahead of its time.
Thank You Chennai
Limited Period offer
Valentines day special
Buy a phone at 10000 and get a new sim free
Limited Period offer
Valentines day special
Buy a phone at 10000 and get a new sim free
Buy the stunning new phone
The game changer is here.
Experience a phone ahead of its time.
Thank You Chennai
Limited Period offer
Valentines day special
Buy a phone at 10000 and get a new sim free
Thank You Chennai
Limited Period offer
Valentines day special
Buy a phone at 10000 and get a new sim free
Buy a phone at 10000 and get a new sim free
Buy the stunning new phone
The game changer is here.
提前体验手机。 谢谢你奈 限期优惠
我使用过qdap和freq_terms。以下是预期的输出
freq_terms(DF)
Expected Output Frequency
Buy 4
Get 5
a 7
thank 12
Stunning 6
The 7
New 10
Valentines 4
phone 7
以下特殊字符会不断出现并使数据不适合。
valentinea€™s, a€™s instead of valentines, as. I have tried the same with tm package also.
我使用gsub替换这些字符，但效果不是很好。有人可以建议吗？