graphlab create sframe 如何获取 SArray 中位数
graphlab create sframe how to get SArray median
我正在学习 graphlab create
data=graphlab.SFrame.read_csv('test.csv')
我正在尝试获取其中一列的中位数
data_train.fillna(('Credit_History',data_train['Credit_History'].median()))
但是我得到了错误
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-247-50ed3eb09dcc> in <module>()
----> 1 data_train.fillna(('Credit_History',data_train['Credit_History'].median()))
AttributeError: 'SArray' object has no attribute 'median'
data.show() 将显示此列的中位数
任何人都知道如何解决这个问题?
SArray
没有中位数方法。获得中位数的最佳方法是通过 sketch_summary
方法,然后是 quantile
。有关草图摘要的更多信息,请访问
https://turi.com/products/create/docs/generated/graphlab.Sketch.html
import numpy as np
import graphlab as gl
sf = gl.SFrame(np.random.rand(100))
sketch = sf['X1'].sketch_summary()
median = sketch.quantile(0.5)
我想我明白你想做什么。 Sframe 没有默认的中值函数。我会这样即兴发挥:
import numpy as np
data_train.fillna('Credit_History', np.median(data_train['Credit_History']))
我正在学习 graphlab create
data=graphlab.SFrame.read_csv('test.csv')
我正在尝试获取其中一列的中位数
data_train.fillna(('Credit_History',data_train['Credit_History'].median()))
但是我得到了错误
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-247-50ed3eb09dcc> in <module>()
----> 1 data_train.fillna(('Credit_History',data_train['Credit_History'].median()))
AttributeError: 'SArray' object has no attribute 'median'
data.show() 将显示此列的中位数 任何人都知道如何解决这个问题?
SArray
没有中位数方法。获得中位数的最佳方法是通过 sketch_summary
方法,然后是 quantile
。有关草图摘要的更多信息,请访问
https://turi.com/products/create/docs/generated/graphlab.Sketch.html
import numpy as np
import graphlab as gl
sf = gl.SFrame(np.random.rand(100))
sketch = sf['X1'].sketch_summary()
median = sketch.quantile(0.5)
我想我明白你想做什么。 Sframe 没有默认的中值函数。我会这样即兴发挥:
import numpy as np
data_train.fillna('Credit_History', np.median(data_train['Credit_History']))