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variable name type format label variable label state str14 s State

region int %8.0g cenreg Census region pop long .0g Population medage float %9.0g Median age

*×¢Òâµ½, stata ±äÁ¿µÄ¸ñʽΪs£¬±íʾÓÒ¶ÔÆë£¬¹²14 ¸ö×Ö·û,%Ϊ¹Ì¶¨Ó÷¨ .list in 1/4 //×¢ÒⲻͬµÄÏÔʾ¸ñʽ:¾ùΪÓÒ¶ÔÆë state region pop medage

------------------------------------------ 1. Alabama South 3893888 29.3 2. Alaska West 401851 26.1 3. Arizona West 2718215 29.2 4. Arkansas South 2286435 30.6

.format state %-14s // ¸ÃÃüÁîʹstata µÄÏÔʾ¸ñʽ×ó¶ÔÆë,14 Ç°Ãæ¶àÁ˸ö¸ººÅ .list in 1/4 //×¢ÒⲻͬµÄÏÔʾ¸ñʽ,state ÏÖÔÚ×ó¶ÔÆëÁË +------------------------------------------+ state region pop medage

------------------------------------------ 1. Alabama South 3893888 29.3 2. Alaska West 401851 26.1 3. Arizona West 2718215 29.2 4. Arkansas South 2286435 30.6

.format region %-8.0g / *region ±äÁ¿¿´ÆðÀ´ÊÇ×Ö·ûÐͱäÁ¿£¬µ«Êµ¼ÊÉÏΪ

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.format pop .0gc /*pop µÄÏÔʾ¸ñʽΪ.0g,ºóÃæ¼ÓÉÏc,ÔòÿÈýλÊý¼ä

ÓöººÅ·Ö¿ª,c Ϊcomma µÄÒâ˼.*/

.list in 1/4 //½á¹û¼ÓÉÏÁ˶ººÅ,µ«ÊǵÚÎå¸ö¹Û²ìֵûÓÐÈκα仯 state region pop medage

------------------------------------------- 1. Alabama South 3,893,888 29.3 2. Alaska West 401,851 26.1 3. Arizona West 2,718,215 29.2 4. Arkansas South 2,286,435 30.6 5. California West 23667902 29.9

*ÒòΪÕâ¸öÊýÌ«´ó£¬¼Ó¶ººÅ½«³¬¹ý11 λÊý,ÎÒÃÇ¿ÉÒÔÏȰÑ×ܵÄλÊýÔö¼Ó .format pop .0gc //°Ñpop ÏÔʾ×ܳ¤¶ÈÊýÔö¼Óµ½12 λ .list in 5 //ÏÖÔÚËùÓеÄpop ¶¼°´¶ººÅ·Ö¿ªÁË 5. California West 23,667,902 29.9

.format medage %8.1f //ÒªÇóËùÓеÄmedage ¶¼ÏÔʾһλСÊý .list in 1/4

state region pop medage

-------------------------------------------- 1. Alabama South 3,893,888 29.3 2. Alaska West 401,851 26.1 3. Arizona West 2,718,215 29.2 4. Arkansas South 2,286,435 30.6

.gen id=_n //Éú³ÉÒ»¸öбäÁ¿id£¬È¡ÖµÒÀ´ÎΪ1£¬2£¬3 .replace id=9842 in 3 //½«id µÄµÚÈý¸ö±äÁ¿Ì滻Ϊ9842 .list in 1/3

state region pop medage id

-------------------------------------------- 1. Alabama South 3893888 29.3 1 2. Alaska West 401851 26.1 2

3. Arizona West 2718215 29.2 9842

.format id .0f //¶ÔÓÚ±àºÅ£¬ÎÒÃÇÏ£ÍûÇ°ÃæÓÃÁãʹµÃλÊý¶ÔÆë .list in 1/3 //×¢Ò⵽ͨ¹ýÔÚÇ°Ãæ²¹Áã,ËùÓеÄid ¶¼³ÉÁË5 λÊý¡£ state region pop medage id

-------------------------------------------------- 1. Alabama South 3893888 29.3 00001 2. Alaska West 401851 26.1 00002 3. Arizona West 2718215 29.2 09842

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