修正选举结果跟踪器中的数据错误
现在你可以删除数据仓条目.
创建一个数据仓,在选举过程中存储选举结果.
In[1]:=
![Click for copyable input](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/In_24.png)
votes = CreateDatabin[]
填充数据仓并绘制到目前为止每个候选项的得票比例图形.
In[2]:=
![Click for copyable input](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/In_25.png)
DatabinUpload[votes,
data = {<|"Alpha" -> 34, "Beta" -> 12, "Gamma" -> 7|>, <|
"Alpha" -> 44, "Beta" -> 19, "Gamma" -> 9|>, <|"Alpha" -> 52,
"Beta" -> 19, "Gamma" -> 11|>, <|"Alpha" -> 68, "Beta" -> 22,
"Gamma" -> 18|>, <|"Alpha" -> 78, "Beta" -> 24,
"Gamma" -> 20|>}];
显示完整的 Wolfram 语言输入
Out[3]=
![](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/O_24.png)
手动输入的一个数据点不小心颠倒了两个候选项的值,可以从图上一个错误的交叉看出.
In[4]:=
![Click for copyable input](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/In_27.png)
DatabinAdd[votes, <|"Alpha" -> 86, "Beta" -> 22, "Gamma" -> 26|>];
显示完整的 Wolfram 语言输入
Out[5]=
![](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/O_25.png)
通过删除最近一次条目并添加正确的条目来更正数据仓.
In[6]:=
![Click for copyable input](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/In_29.png)
DatabinRemove[votes, -1];
In[7]:=
![Click for copyable input](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/In_30.png)
DatabinAdd[votes, <|"Alpha" -> 86, "Beta" -> 26, "Gamma" -> 22|>];
显示完整的 Wolfram 语言输入
Out[8]=
![](assets.zh/fix-data-entry-errors-in-a-voting-result-tracker/O_26.png)