将环比和同比数据转化为定基比

大家好，
我这里有1992.1-2014.12月的同比数据，以及2008.1-2008.12月的环比数据（2008年1月=100），如何转换成定基比数据？
请热心坛友帮帮忙，谢谢。

我按照这里的方法1做了一下，好像不对。现附上数据和程序，请帮忙看看错在哪里？（http://blog.sina.com.cn/s/blog_6ee506960100n9pv.html）

直接给我一个定基比的结果当然好，如果能够帮我重新编一个matlab或stata的 程序那就更好了，再次感谢！


这是相关数据：

date	yoy(同比)	mom（环比）
199201	105.5
199202	105.3
199203	105.3
199204	107.1
199205	104.7
199206	104.8
199207	105.2
199208	105.8
199209	107.5
199210	107.9
199211	108.2
199212	108.8
199301	110.3
199302	110.5
199303	112.2
199304	112.6
199305	114
199306	115.1
199307	116.2
199308	116
199309	115.7
199310	115.9
199311	116.7
199312	118.8
199401	121.1
199402	123.2
199403	122.4
199404	121.7
199405	121.3
199406	122.6
199407	124
199408	125.8
199409	127.3
199410	127.7
199411	127.5
199412	125.5
199501	124.1
199502	122.4
199503	121.3
199504	120.7
199505	120.3
199506	118.2
199507	116.7
199508	114.5
199509	113.2
199510	112.1
199511	111.2
199512	110.1
199601	109
199602	109.3
199603	109.8
199604	109.7
199605	108.9
199606	108.6
199607	108.3
199608	108.1
199609	107.4
199610	107
199611	106.9
199612	107
199701	105.9
199702	105.6
199703	104
199704	103.2
199705	102.8
199706	102.8
199707	102.7
199708	101.9
199709	101.8
199710	101.5
199711	101.1
199712	100.4
199801	100.3
199802	100.1
199803	100.3
199804	100.1
199805	99.9
199806	99.7
199807	99.6
199808	99.4
199809	99.3
199810	99.3
199811	99.2
199812	99.2
199901	98.8
199902	98.8
199903	98.6
199904	98.4
199905	98.3
199906	98.2
199907	98.3
199908	98.3
199909	98.4
199910	98.5
199911	98.6
199912	98.6
200001	99.8
200002	100.3
200003	100.1
200004	100
200005	100
200006	100.1
200007	100.2
200008	100.2
200009	100.2
200010	100.1
200011	100.2
200012	100.4
200101	101.1948
200102	100
200103	100.8
200104	101.6
200105	101.7
200106	101.4
200107	101.5
200108	101
200109	99.9
200110	100.2
200111	99.7
200112	99.7
200201	99
200202	100
200203	99.2
200204	98.7
200205	98.9
200206	99.2
200207	99.1
200208	99.3
200209	99.3
200210	99.2
200211	99.3
200212	99.6
200301	100.4
200302	100.2
200303	100.9
200304	101
200305	100.7
200306	100.3
200307	100.5
200308	100.9
200309	101.1
200310	101.8
200311	103
200312	103.2
200401	103.2
200402	102.1
200403	103
200404	103.8
200405	104.4
200406	105
200407	105.3
200408	105.3
200409	105.2
200410	104.3
200411	102.8
200412	102.4
200501	101.9
200502	103.9
200503	102.7
200504	101.8
200505	101.8
200506	101.6
200507	101.8
200508	101.3
200509	100.9
200510	101.2
200511	101.3
200512	101.6
200601	101.9
200602	100.9
200603	100.8
200604	101.2
200605	101.4
200606	101.5
200607	101
200608	101.3
200609	101.5
200610	101.4
200611	101.9
200612	102.8
200701	102.2
200702	102.7
200703	103.3
200704	103
200705	103.4
200706	104.4
200707	105.6
200708	106.5
200709	106.2
200710	106.5
200711	106.9
200712	106.5
200801	107.1	100
200802	108.7	102.6
200803	108.3	101.88
200804	108.5	101.98
200805	107.7	101.58
200806	107.1	101.37
200807	106.3	101.47
200808	104.9	101.37
200809	104.6	101.37
200810	103.9744	101.07
200811	102.434	100.26
200812	101.1999	100.06
200901	100.9524
200902	98.4418
200903	98.8286
200904	98.4972
200905	98.6287
200906	98.325
200907	98.1943
200908	98.7957
200909	99.2117
200910	99.4721
200911	100.6
200912	101.9
201001	101.5
201002	102.7
201003	102.4
201004	102.8
201005	103.1
201006	102.9
201007	103.3
201008	103.5
201009	103.6
201010	104.4
201011	105.1
201012	104.6
201101	104.9
201102	104.9
201103	105.4
201104	105.3
201105	105.5
201106	106.4
201107	106.5
201108	106.2
201109	106.1
201110	105.5
201111	104.2
201112	104.1
201201	104.5
201202	103.2
201203	103.6
201204	103.4
201205	103
201206	102.2
201207	101.8
201208	102
201209	101.9
201210	101.7
201211	102
201212	102.5
201301	102
201302	103.2
201303	102.1
201304	102.4
201305	102.1
201306	102.7
201307	102.7
201308	102.6
201309	103.1
201310	103.2
201311	103
201312	102.5
201401	102.5
201402	102
201403	102.4
201404	101.8
201405	102.5
201406	102.3
201407	102.3
201408	102
201409	101.6
201410	101.6
201411	101.4
201412	101.5