ä¸ãçå½è¡¨çå®ä¹ life tableï¼æ¯æç§ç¾¤çé¿çæ¶é´æå¹´é¾ä¸ºé¡ºåºï¼ç³»ç»è®°è¿°ç§ç¾¤çæ»äº¡ãçæ®åæ»äº¡åå çè¡¨æ ¼ã ç³»ç»æ§ï¼æ´ä¸ªä¸ä»£ é¶æ®µæ§ï¼ååè²é¶æ®µççååç¹æ® 综åæ§ï¼åå ç´ å¯¹ç§ç¾¤æ°éçå½±åä½ç¨ å
³é®æ§ï¼ä¸»è¦å ç´ åå
¶ä½ç¨ç主è¦é¶æ®µ [è¿åä¸é¨] äºãçå½è¡¨çç±»ååå½¢å¼1 ç¹å®æ¶é´çå½ time-specific life table以ç¹å®æ¶é´ä¸ºé´éåä½ï¼ç³»ç»è°æ¥è®°è½½å°x æ¶é´æ¶ç§ç¾¤çåæ´»åæ»äº¡æ°éï¼å¹´é¾ç»é
æ¯è¾ç¨³å®çåæä¸ï¼ã çå½ææçå½è¡¨ï¼åªèèç§ç¾¤çæ»äº¡è¿ç¨ã x ï¼æä¸å®æ¶é´ååçåä½æ¶é´æéï¼å¦æ¥ãå¨ãæï¼ï¼æ®çæ´»å²åæèå®ï¼ä»¥ä¸è¶
è¿ä¸ä¸ªè«æåæ为æ好ã lxï¼å¨ x æå¼å§æ¶çåæ´»è«æ°ï¼å®é
è§å¯å¼ï¼ dxï¼å¨ x æéå
( x â x+1) çæ»äº¡è«æ°ï¼å®é
è§å¯å¼ï¼ qxï¼å¨ x æéå
çæ»äº¡ç = dx / lx Lxï¼å¨ x æå°x +1 æé´å¹³ååæ´»æ°ç® =( lx + lx+1 )/2 Txï¼å¨ x æéåçå¹³ååæ´»æ°çç´¯è®¡æ° =ΣLx ex ï¼å¨ x æå¼å§æ¶çå¹³åçå½æææ° =Tx /lx çå½ææçå½è¡¨ç¤ºä¾ï¼ç¹æ®ççå½è¡¨ï¼ç±åæ´»çåæ¯é产éç两项ç»æ lx: åæ´»ç ï¼ mx: ç¹æ®å ç¹æ®ç表å¯è®¡ç®åºç§ç¾¤çåå¢æ®çR0åå
ç¦å¢é¿çrm以åç§ç¾¤çå¹³å寿å½Tãå
¶è®¡ç®å¼åå«ä¸ºï¼R0ï¼âlxmx =2.94 T = (âxlxmx)/(âlxmx)=51.99( å¨ ) rm = lnR0/T =0.0207 ã å¨éå¢é¿éçYï¼æ¯ææ¯ä¸å¤´éè«å¨è¯éªæ¡ä»¶ä¸ï¼ ç»è¿åä½æ¶é´å¦å¤©ï¼åçå¢ç¿»åæ°ã Yï¼e^rm =2.71828^0.1133 =1.12 (å) ç§ç¾¤åå¢æéæ¶é´t ï¼ln 2/rm =6.12( 天 ) 2 ç¹å®å¹´é¾çå½è¡¨ age-specific life table以年é¾é¶æ®µä½ä¸ºæ¶é´ååçæ åã å¤å¹´å代çå½è¡¨å¯ç¨äºå
³é®å åï¼é¶æ®µï¼åæã ç§ç¾¤è¶å¿ææ°è®¡ç®ï¼ Iï¼ä¸ä»£è«é/ä¸ä»£è«é 3 èªç¶ç§ç¾¤ç¹å®å¹´é¾çå½è¡¨çå¶ä½æ¹æ³ ä¸ä»£éå ç§ç¾¤ç¹å®å¹´é¾åæ´»è«æ°çç¡®å® å¹³åé¾ææ³ï¼å°å
¨é¨è°æ¥æ¶é´ä¸åé¾(æ)个ä½çåè®¡æ° A ä¹ä»¥è°æ¥é´é天æ°ï¼åé¤ä»¥åå¹´é¾å¹³ååæ(天æ°)ï¼å¾å°åé¾ä¸æç个ä½æ°( lx )ã
温馨提示:答案为网友推荐,仅供参考