你好,
我嘗試了連接表函數,我認為它可以一次連接一個表(例如 dt1 與 dt2 連接),我們將得到一個輸出表(dtnew)。 如何使用現在的輸出表(例如 dtnew)與另一個表(例如 dt3)連接。
謝謝。
JMP 版本 13 虛擬連接功能解決的主要客戶驅動需求之一是內存節省足跡。 很高興這適合您的情況。
謝謝HTH! 這也有幫助。 從來沒有想過。 學習另一個新東西:)
我不確定這是否是您的意圖,但如果您想要聯接多個表並且您使用的是 JMP 13,則可以轉到表下拉列表並選擇 JMP 查詢生成器。從那裡您可以一次連接最多 60 個表,而不必編寫連接腳本。
華泰
這是為每個連接創建單獨的表的一種方法。
Names Default To Here( 1 );
// Create the original table
dtBase = New Table( "Base Table",
Add Rows( 10 ),
New Column( "name",
character,
Set Values( {"KATIE", "LOUISE", "JANE", "JACLYN", "LILLIE", "TIM", "JAMES", "ROBERT", "BARBARA", "ALICE"} )
),
New Column( "age", Set Values( [12, 12, 12, 12, 12, 12, 12, 12, 13, 13] ) ),
New Column( "sex", character, Set Values( {"F", "F", "F", "F", "F", "M", "M", "M", "F", "F"} ) )
);
// Create a second table
dt2 = New Table( "Height",
Add Rows( 10 ),
New Column( "name",
character,
Set Values( {"KATIE", "LOUISE", "JANE", "JACLYN", "LILLIE", "TIM", "JAMES", "ROBERT", "BARBARA", "ALICE"} )
),
New Column( "height", Set Values( [59, 61, 55, 66, 52, 60, 61, 51, 60, 61] ) ),
Set Label Columns( :name )
);
// Join the two tables and create a reference to the new table
dtjoined = dtBase << Join(
With( dt2 ),
By Matching Columns( :name = :name ),
Drop multiples( 0, 0 ),
Include Nonmatches( 0, 0 ),
Preserve main table order( 1 ),
Merge same name columns( 1 ),
Match Flag( 0 )
);
// Close the nolonger needed tables and set the base table reference to the new table
Close( dtBase, nosave );
Close( dt2, nosave );
dtBase = dtjoined;
// Create another table to be joined
dt3 = New Table( "Weight",
Add Rows( 10 ),
New Column( "name",
character,
Set Values( {"KATIE", "LOUISE", "JANE", "JACLYN", "LILLIE", "TIM", "JAMES", "ROBERT", "BARBARA", "ALICE"} )
),
New Column( "weight", Set Values( [95, 123, 74, 145, 64, 84, 128, 79, 112, 107] ) ),
Set Label Columns( :name )
);
// Join the new table
dtjoined = dtBase << Join(
With( dt3 ),
By Matching Columns( :name = :name ),
Drop multiples( 0, 0 ),
Include Nonmatches( 0, 0 ),
Preserve main table order( 1 ),
Merge same name columns( 1 ),
Match Flag( 0 )
);
// Close the nolonger needed tables and set the base table reference to the new table
Close( dtBase, nosave );
Close( dt3, nosave );
dtBase = dtjoined;