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📄 m30 - transforming data with sas functions - 93 of 95.mht

📁 sas的考试样题
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        onmouseover=3D"window.status=3D'Display details on the TRANWRD =
function.'; "=20
        onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
        =
href=3D"http://www.sas.com/apps/OLTRN/59080/m30/m30_87.htm"><STRONG>TRANW=
RD(</STRONG><EM>source</EM>,<EM>target</EM>,<EM>replacement</EM><STRONG>)=
</STRONG></A>=20

        <P><A=20
        onmouseover=3D"window.status=3D'Display details on the INT =
function.'; "=20
        onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
        =
href=3D"http://www.sas.com/apps/OLTRN/59080/m30/m30_89.htm"><STRONG>INT(<=
/STRONG><EM>argument</EM><STRONG>)</STRONG></A>=20

        <P><A=20
        onmouseover=3D"window.status=3D'Display details on the ROUND =
function.'; "=20
        onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
        =
href=3D"http://www.sas.com/apps/OLTRN/59080/m30/m30_90.htm"><STRONG>ROUND=
(</STRONG><EM>argument,round-off-unit</EM><STRONG>)</STRONG></A></P></BLO=
CKQUOTE></TD></TR></TBODY></TABLE>
<P align=3Dcenter>
<CENTER>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"85%" border=3D0>
  <TBODY>
  <TR>
    <TD align=3Dleft>
      <HR>
    </TD></TR></TBODY></TABLE><BR></CENTER></CENTER><!-- =
InstanceEndEditable -->
<P><!-- InstanceBeginEditable name=3D"sampleprogram" -->
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"85%" border=3D0>
  <TBODY>
  <TR>
    <TD align=3Dleft><STRONG><A name=3DSample>Sample =
Programs</A></STRONG> <PRE><FONT color=3D#003399>     data =
hrd.newtemp;</FONT>
<FONT color=3D#003399>        set hrd.temp;</FONT>
<FONT color=3D#003399>        Salary=3Dinput(payrate,2.)*hours;</FONT>
<FONT color=3D#003399>     run;</FONT>
</PRE><PRE><FONT color=3D#003399>     data hrd.newtemp;</FONT>
<FONT color=3D#003399>        set hrd.temp;</FONT>
<FONT color=3D#003399>        =
Assignment=3Dput(site,2.)||'/'||dept;</FONT>
<FONT color=3D#003399>     run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.tempnov;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
     <FONT color=3D#003399>   if month(startdate)=3D11;</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.temp98;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
     <FONT color=3D#003399>   if year(startdate)=3D1998;</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data radio.schwkend;</FONT>
        <FONT color=3D#003399>set radio.sch;</FONT>
        <FONT color=3D#003399>if weekday(airdate)=3D7 or =
weekday(airdate)=3D1;</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.newtemp(drop=3Dmonth day =
year);</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
        <FONT color=3D#003399>Date=3Dmdy(month,day,year);</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data hrd.newtemp;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
        <FONT color=3D#003399>EditDate=3Dtoday();</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data work.anniv20;</FONT>
        <FONT color=3D#003399>set flights.mechanics(keep=3Did lastname =
firstname hired);</FONT>
        <FONT =
color=3D#003399>Years=3Dintck('year',hired,today());</FONT>
        <FONT color=3D#003399>if years=3D20 and =
month(hired)=3Dmonth(today());</FONT>
     <FONT color=3D#003399>proc print data=3Dwork.anniv20;</FONT>
        <FONT color=3D#003399>title '20-Year Anniversaries this =
Month';</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data work.after;</FONT>
        <FONT color=3D#003399>set work.before;</FONT>
        <FONT =
color=3D#003399>TargetYear=3Dintnx('year','05feb94'd,3);</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data hrd.newtemp(drop=3Dname);</FONT>
        <FONT color=3D#003399>set hrd.newtemp;</FONT>
<FONT color=3D#003399>        length LastName FirstName MiddleName $ =
10;</FONT>
        <FONT color=3D#003399>lastname=3Dscan(name,1,' ,');</FONT>
        <FONT color=3D#003399>firstname=3Dscan(name,2,' ,');</FONT>
        <FONT color=3D#003399>middlename=3Dscan(name,3,' ,');</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data =
hrd.temp2(drop=3Dexchange);</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
     <FONT color=3D#003399>   exchange=3Dsubstr(phone,1,3);</FONT>
     <FONT color=3D#003399>   if exchange=3D'622' then =
substr(phone,1,3)=3D'433';</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.newtemp(drop=3Daddress =
city state zip);</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
     <FONT color=3D#003399>   NewAddress=3Dtrim(address)||', =
'||trim(city)||', '||zip;</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.datapool;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
        <FONT color=3D#003399>if index(job,'word processing') &gt; =
0;</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data hrd.newtemp;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
        <FONT color=3D#003399>Job=3Dupcase(job);</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data hrd.newtemp;</FONT>
        <FONT color=3D#003399>set hrd.temp;</FONT>
     <FONT color=3D#003399>   Contact=3Dlowcase(contact);</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data work.after;</FONT>
        <FONT color=3D#003399>set work.before;</FONT>
        <FONT color=3D#003399>name=3Dtranwrd(name,'Miss','Ms.');</FONT>
        <FONT color=3D#003399>name=3Dtranwrd(name,'Mrs.','Ms.');</FONT>
     <FONT color=3D#003399>run;</FONT></PRE><PRE>     <FONT =
color=3D#003399>data work.after;</FONT>
        <FONT color=3D#003399>set work.before;</FONT>
        <FONT color=3D#003399>Examples=3Dint(examples);</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE><PRE>     <FONT color=3D#003399>data work.after;</FONT>
        <FONT color=3D#003399>set work.before;</FONT>
        <FONT color=3D#003399>Examples=3Dround(examples,.2);</FONT>
     <FONT color=3D#003399>run;</FONT>
</PRE>
      <P>
      <HR>
    </TD></TR></TBODY></TABLE><BR><!-- InstanceEndEditable -->
<P><!-- InstanceBeginEditable name=3D"pointstoremember" -->
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"85%" border=3D0>
  <TBODY>
  <TR>
    <TD align=3Dleft><STRONG><A name=3DPoints>Points to =
Remember</A></STRONG><BR>
      <UL>
        <LI>Even if a function doesn't require arguments, the function =
name must=20
        still be followed by parentheses.<BR><BR>
        <LI>When specifying a variable list or an array as a function =
argument,=20
        be sure to precede the list or the array with the word =
OF.<BR><BR>
        <LI>To remember which function requires a format versus an =
informat,=20
        note that the <FONT color=3Dred><STRONG>IN</STRONG></FONT>PUT =
function=20
        requires the<STRONG> <FONT =
color=3Dred>in</FONT></STRONG>format.<BR><BR>
        <LI>If you specify an invalid date in the MDY function, a =
missing value=20
        is assigned to the target variable.<BR><BR>
        <LI>The SCAN function treats contiguous delimiters as one =
delimiter;=20
        leading delimiters have no effect.<BR><BR>
        <LI>When using the SCAN function, you can save storage space by =
adding a=20
        LENGTH statement to your DATA step to set an appropriate length =
for your=20
        new variable(s). Place the LENGTH statement before the =
assignment=20
        statements that contain the SCAN function.<BR><BR>
        <LI>When the SUBSTR function is on the left side of an =
assignment=20
        statement, it replaces variable values. When SUBSTR is on the =
right side=20
        of an assignment statement, it extracts variable values. The =
syntax of=20
        the function is the same; only the placement of the function=20
        changes.<BR><BR>
        <LI>The INDEX function is case sensitive. To ensure that all =
forms of a=20
        character string are found, use the UPCASE or LOWCASE function =
with the=20
        INDEX=20
function.</LI></UL></TD></TR></TBODY></TABLE><!-- InstanceEndEditable =
--></CENTER><!-- #BeginLibraryItem "/Library/nav_regular_bottom.lbi" -->
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%">
  <TBODY>
  <TR>
    <TD width=3D14><IMG height=3D7 alt=3D""=20
      =
src=3D"http://www.sas.com/apps/elearning/images/en/navimages/linebox.gif"=
=20
      width=3D14></TD>
    <TD colSpan=3D2><IMG height=3D7 alt=3D""=20
      =
src=3D"http://www.sas.com/apps/elearning/images/en/navimages/linegray.gif=
"=20
      width=3D"100%"></TD></TR>
  <TR>
    <TD>&nbsp;</TD>
    <TD vAlign=3Dtop><FONT face=3D"Verdana, Arial, Helvetica, Sans =
Serif"=20
      color=3Dgray size=3D1><A class=3Dcopyrightlink=20
      href=3D"javascript:%20openOther('../copyrite.htm')"><FONT=20
      face=3D"Arial, Helvetica, sans-serif">Copyright</FONT></A> <FONT=20
      face=3D"Arial, Helvetica, sans-serif">=A9 2003 SAS Institute Inc., =
Cary, NC,=20
      USA. All rights reserved.</FONT></FONT> <FONT=20
      face=3D"Arial, Helvetica, sans-serif"><BR><FONT color=3Dgray =
size=3D1><A=20
      class=3Dcopyrightlink href=3D"http://www.sas.com/Copyright.html"=20
      target=3D_blank>Terms of Use &amp; Legal Information</A> | <A=20
      class=3Dcopyrightlink href=3D"http://www.sas.com/Privacy.html"=20
      target=3D_blank>Privacy Statement</A></FONT> </FONT></TD>
    <TD width=3D60>
      <DIV align=3Dright><A=20
      onmouseover=3D"rOver('back2');window.status=3D'Display the =
previous page.';return true"=20
      accessKey=3Db =
onmouseout=3D"rOut('back2');window.status=3D'';return true"=20
      href=3D"javascript:%20prevPage()"><IMG height=3D19 alt=3Dback=20
      =
src=3D"http://www.sas.com/apps/elearning/images/en/navimages/back2.gif"=20
      width=3D30 border=3D0 name=3Dback2></A><A=20
      onmouseover=3D"rOver('next2');window.status=3D'Display the next =
page.';return true"=20
      accessKey=3Dn =
onmouseout=3D"rOut('next2');window.status=3D'';return true"=20
      href=3D"javascript:%20nextPage()"><IMG height=3D19 alt=3Dnext=20
      =
src=3D"http://www.sas.com/apps/elearning/images/en/navimages/next2.gif"=20
      width=3D30 border=3D0 =
name=3Dnext2></A></DIV></TD></TR></TBODY></TABLE>
<P>&nbsp;</P>
<SCRIPT>writeLessonDiv()</SCRIPT>

<SCRIPT>writeHelpDiv()</SCRIPT>
<!-- #EndLibraryItem --><!-- InstanceEnd --></BODY></HTML>

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