📄 m26 - creating multiple observations from a single record - 32 of 33.mht
字号:
cherry</FONT></TD></TR>
<TR>
<TD align=3Dleft bgColor=3D#ffffff><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 size=3D2>1004 guava 1005 kiwi 1006 =
papaya</FONT></TD></TR>
<TR>
<TD align=3Dleft bgColor=3D#ffffff><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 size=3D2>1007 pineapple 1008 raspberry =
1009=20
strawberry</FONT></TD></TR></TBODY></TABLE><!-- =
InstanceEndEditable -->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques3> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3a" --><PRE><FONT =
color=3D#003399>data perm.produce;
infile fruit;
input Item $4. Variety : $10.;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques3> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3b" --><FONT =
color=3D#003399><PRE>data perm.produce;=20
infile fruit;=20
input Item $4. Variety : $10. @;=20
run;</PRE></FONT><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques3> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3c" --><PRE><FONT =
color=3D#003399>data perm.produce;
infile fruit;
input Item $4. Variety : $10. @@;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques3> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3d" --><FONT =
color=3D#003399><PRE>data perm.produce;=20
infile fruit @@;=20
input Item $4. Variety : $10.;=20
run;</PRE></FONT><!-- InstanceEndEditable --></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q4text" -->Which SAS =
program reads=20
the values for <CODE>ID</CODE> and holds the record for each =
value of=20
<CODE>Quantity</CODE>, so that three observations are created =
for each=20
record?<BR><BR>
<TABLE title=3D"Raw Data File" cellSpacing=3D0 cellPadding=3D0 =
rules=3Dnone=20
bgColor=3D#cccccc border=3D1 frame=3Dbox>
<TBODY>
<TR>
<TD align=3Dleft bgColor=3D#f7f7de><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 =
size=3D2>1---+----10---+----20---+----30</FONT></TD></TR>
<TR>
<TD align=3Dleft bgColor=3D#ffffff><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 size=3D2>2101 21,208 19,047 =
22,890</FONT></TD></TR>
<TR>
<TD align=3Dleft bgColor=3D#ffffff><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 size=3D2>2102 18,775 20,214 =
22,654</FONT></TD></TR>
<TR>
<TD align=3Dleft bgColor=3D#ffffff><FONT face=3D"Courier =
New, Courier"=20
color=3D#000000 size=3D2>2103 19,763 22,927=20
21,862</FONT></TD></TR></TBODY></TABLE><!-- InstanceEndEditable =
-->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques4> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q4a" --><PRE><FONT =
color=3D#003399>data work.sales;=20
infile unitsold;
input ID $;
do week=3D1 to 3;
input Quantity : comma.;
output;
end;
run;</FONT>
</PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques4> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q4b" --><PRE><FONT =
color=3D#003399>data work.sales;=20
infile unitsold;
input ID $ @@;
do week=3D1 to 3;
input Quantity : comma.;
output;
end;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques4> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q4c" --><PRE><FONT =
color=3D#003399>data work.sales;=20
infile unitsold;
input ID $ @;
do week=3D1 to 3;
input Quantity : comma.;
output;
end;
run;</FONT>
</PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques4> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q4d" --><PRE><FONT =
color=3D#003399>data work.sales;=20
infile unitsold;
input ID $ @;
do week=3D1 to 3;
input Quantity : comma. @;
output;
end;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q5text" -->Which SAS =
statement=20
repetitively executes several statements when the value of an =
index=20
variable named <CODE>count</CODE> ranges from 1 to 50, =
incremented by 5?<!-- InstanceEndEditable -->=20
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques5> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q5a" --><PRE><FONT =
color=3D#003399>do count=3D1 to 50 by 5;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques5> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q5b" --><PRE><FONT =
color=3D#003399>do while count=3D1 to 50 by 5;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques5> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q5c" --><PRE><FONT =
color=3D#003399>do count=3D1 to 50 + 5;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques5> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q5d" --><FONT =
color=3D#003399><PRE>do while (count=3D1 to 50 + 5);</PRE></FONT><!-- =
InstanceEndEditable --></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q6text" -->Which option =
below, when=20
used in a DATA step, writes an observation to the data set after =
each=20
value for <CODE>Activity</CODE> has been read? <!-- =
InstanceEndEditable -->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques6> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q6a" --><PRE><FONT =
color=3D#003399>do choice=3D1 to 3;=20
input Activity : $10. @;
output;
end;=20
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques6> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q6b" --><PRE><FONT =
color=3D#003399>do choice=3D1 to 3;=20
input Activity : $10. @;=20
end;
output;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques6> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q6c" --><PRE><FONT =
color=3D#003399>do choice=3D1 to 3;=20
input Activity : $10. @;=20
end;
run;</FONT></PRE><!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques6> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q6d" --><EM>a</EM> =
and=20
<EM>b</EM><!-- InstanceEndEditable =
--></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q7text" -->Which SAS =
statement=20
repetitively executes several statements while the value of=20
<CODE>Cholesterol</CODE> is greater than 200?<!-- =
InstanceEndEditable -->=20
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques7> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q7a" --><PRE><FONT =
color=3D#003399>do cholesterol > 200;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques7> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q7b" --><PRE><FONT =
color=3D#003399>do cholesterol gt 200;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques7> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q7c" --><PRE><FONT =
color=3D#003399>do while (cholesterol > 200);</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques7> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q7d" --><PRE><FONT =
color=3D#003399>do while cholesterol > 200;</FONT></PRE><!-- =
InstanceEndEditable --></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q8text" -->Which choice =
below is an=20
example of a sum statement? <!-- InstanceEndEditable -->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques8> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q8a" --><PRE><FONT =
color=3D#003399>totalpay=3D1;</FONT></PRE><!-- InstanceEndEditable =
--></TD></TR>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -