microsoftml.get_sentiment：情绪分析

  • 项目

使用情况

microsoftml.get_sentiment(cols: [str, dict, list], **kargs)

说明

为自然语言文本评分，并评估情绪为积极情绪的可能性。

详细信息

get_sentiment 转换返回自然文本的情绪为积极情绪的可能性。 只支持英语。

参数

cols

要转换的字符串或变量名称列表。 如果是 dict，则名称表示要创建的新变量的名称。

kargs

发送到计算引擎的其他参数。

返回

一个定义转换的对象。

请参阅

featurize_text.

示例

'''
Example with get_sentiment and rx_logistic_regression.
'''
import numpy
import pandas
from microsoftml import rx_logistic_regression, rx_featurize, rx_predict, get_sentiment

# Create the data
customer_reviews = pandas.DataFrame(data=dict(review=[
            "I really did not like the taste of it",
            "It was surprisingly quite good!",
            "I will never ever ever go to that place again!!"]))
            
# Get the sentiment scores
sentiment_scores = rx_featurize(
    data=customer_reviews,
    ml_transforms=[get_sentiment(cols=dict(scores="review"))])
    
# Let's translate the score to something more meaningful
sentiment_scores["eval"] = sentiment_scores.scores.apply(
            lambda score: "AWESOMENESS" if score > 0.6 else "BLAH")
print(sentiment_scores)

输出：

Beginning processing data.
Rows Read: 3, Read Time: 0, Transform Time: 0
Beginning processing data.
Elapsed time: 00:00:02.4327924
Finished writing 3 rows.
Writing completed.
                                            review    scores         eval
0            I really did not like the taste of it  0.461790         BLAH
1                  It was surprisingly quite good!  0.960192  AWESOMENESS
2  I will never ever ever go to that place again!!  0.310344         BLAH