Splet用法:Series.pct_change(periods=1, fill_method=’pad’, limit=None) 参数: periods:定义当前值与先前值之间的差距。 默认为1 fill_method:定义用于处理空值的方法 limit:停止前要填充的连续NaN值的数量。. 返回类型:百分比变化的数值系列 Splet21. maj 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams
pandas.Series.pct_change — pandas 2.0.0 documentation
SpletSeries.pct_change(periods=1, fill_method='pad', limit=None, freq=None, **kwargs)[source] #. Percentage change between the current and a prior element. Computes the percentage change from the immediately previous row by default. This is useful in comparing the percentage of change in a time series of elements. Periods to shift for forming ... jennifer yu cleveland
血常规“PCT”代表什么意思?_百度知道
Splet27. feb. 2024 · 바로 pct_change() 메쏘드를 쓰면 되는데요. 예를 위해 삼성전자의 종가 데이터를 가져와서 해보겠습니다. 일별 수익률 df['Daily_rtn'] = df['Close'].pct_change() Daily_rtn 으로 새로운 column 을 만들었습니다. Daily_rtn에 일별 수익률이 나오는 걸 … Splet24. apr. 2024 · 意思? .pct_change()函数是用来计算序列中每个元素与其前一个元素之间的百分比变化。在这个例子中,hs300['c'].pct_change().fillna()计算了沪深300指数收盘价 … Splet06. maj 2024 · 血常规pct就是降钙素原的英文缩写,降钙素原是反映人体全身炎症反应的敏感指标。当机体出现了明显的严重感染时,尤其是各种细菌感染、真菌感染、寄生虫感染时,pct的浓度都出现明显增高的情况。另外,pct增高还可见于全身对于各种炎症过度的免疫表达,临床上叫做过度反应综合症。 jennifer yu latham