如何使用嵌套循環填充矩陣我正在嘗試從一個文件(包含文本和數字)中提取一組特定的數字數據,並將其放入一個單獨的表中,這樣更容易在 JMP 中進行分析。我希望腳本適用於滿足特定條件的數據可能所在的任意數量的列或行。我想出的是:
Rowlist = [];
For( i = 1, i <= N Rows( Dtraw ), i++,
If( i == 1,
If( Num( Column( Dtraw, 2 )[i] ) > 0 & Num( Column( Dtraw, 2 )[i] ) < 1000,
Rowlist = Matrix( i )
),
If( Num( Column( Dtraw, 2 )[i] ) > 0 & Num( Column( Dtraw, 2 )[i] ) < 1000,
Rowlist = V Concat( Rowlist, Matrix( i ) )
)
)
);
show(Rowlist);
cols= dtraw<<GET column="" names=""></GET>
Rowlist 是滿足我需要的條件的行的矩陣(即它們是數字而不是文本)。我想使用此列表和“<
-謝謝
回复:如何使用嵌套循環填充矩陣謝謝,這很完美!
回复:如何使用嵌套循環填充矩陣你有幾個打字錯誤。
1. 你的第二個 For 循環
For( k = 2, k <= N Items( cols ), i++,
</CODE></PRE>
<P>你遞增“i”,而不是“k”。它應該是</P>
<PRE><CODE class=" language-jsl">For( k = 2, k <= N Items( cols ), k++,
其次,引用 MainData 矩陣時需要從 k 中減去 1,否則會超出範圍,因為它比列數少 1。
MainData[i, k - 1] = Num( Column( dtraw, k - 1 )[rowlist[i]] )
整個部分應該是:
For( i = 1, i <= N Rows( rowlist ), i++,
For( k = 2, k <= N Items( cols ), k++,
MainData[i, k - 1] = Num( Column( dtraw, k - 1 )[rowlist[i]] )
)
);
回复:如何使用嵌套循環填充矩陣以下是數據的通用示例(顯示格式):
| 約會時間: | 11/29/2017 20:11 | | | | | | | | | | |
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| 約會時間: | 11/29/2017 20:11 | | | | | | | | | | |
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| 價值標籤 | | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | | |
| 價值標籤 | | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | | |
| 價值標籤 | | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | | |
| 價值標籤 | | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | | |
| 價值標籤 | | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | | |
| 價值標籤 | | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | | |
| 價值標籤 | | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | | |
| 價值標籤 | | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | | |
回复:如何使用嵌套循環填充矩陣我收到以下錯誤消息:
無效下標(必須是數字或數字列表){1271} 在訪問或評估“下標”時,行列表 [/*###*/i]
在以下腳本中,錯誤標記為 /*###*/
顯示(行列表);
cols = dtraw << 獲取列名();
MainData = J( N 項(行列表), N 項(列) - 1);
For( i = 1, i <= N Items( rowlist ), i++,
對於( k = 2, k <= N 項( cols ), i++,
MainData[i, k] = Num( Column( dtraw, k )[rowlist[/*###*/i]] )
)
);
回复:如何使用嵌套循環填充矩陣當然,代碼看起來“大致正確”。
請問您實際看到了什麼錯誤? 你能上傳'dtraw'的一部分嗎?