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#1
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Normalize time series
How do I normalize a time series so the series starts at 100.
As per some of my clients its a common procedure to do in Bloomberg to normalize a data series. He says it divides by the starting level * 100, so the series starts at 100. It would be great if some one can provide me a formula for this.. As a example , I have historical 5 year treasury yields as follows. I would like to know the formula to normalize this series so it starts from 100. Appreciate your help. 10/30/2007 4.052 10/29/2007 4.045 10/26/2007 4.036 10/25/2007 3.998 10/24/2007 3.967 10/23/2007 4.055 10/22/2007 4.057 10/19/2007 4.041 10/18/2007 4.153 10/17/2007 4.211 10/16/2007 4.342 10/15/2007 4.389 10/12/2007 4.412 10/11/2007 4.371 10/10/2007 4.369 10/9/2007 4.366 10/5/2007 4.335 10/4/2007 4.207 |
#2
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Normalize time series
First we need to decide if we are going to normalize to 10/4 or 10/30. Say
we pick 10/4. In C18 we enter 100 in C17 we enter: =100*B17/$B$18 and copy upwards. This yields: 10/30/2007 4.052 96.316 10/29/2007 4.045 96.149 10/26/2007 4.036 95.935 10/25/2007 3.998 95.032 10/24/2007 3.967 94.295 10/23/2007 4.055 96.387 10/22/2007 4.057 96.435 10/19/2007 4.041 96.054 10/18/2007 4.153 98.716 10/17/2007 4.211 100.095 10/16/2007 4.342 103.209 10/15/2007 4.389 104.326 10/12/2007 4.412 104.873 10/11/2007 4.371 103.898 10/10/2007 4.369 103.851 10/09/2007 4.366 103.779 10/05/2007 4.335 103.043 10/04/2007 4.207 100.000 Does this look reasonable?? -- Gary''s Student - gsnu2007a "wowfed" wrote: How do I normalize a time series so the series starts at 100. As per some of my clients its a common procedure to do in Bloomberg to normalize a data series. He says it divides by the starting level * 100, so the series starts at 100. It would be great if some one can provide me a formula for this.. As a example , I have historical 5 year treasury yields as follows. I would like to know the formula to normalize this series so it starts from 100. Appreciate your help. 10/30/2007 4.052 10/29/2007 4.045 10/26/2007 4.036 10/25/2007 3.998 10/24/2007 3.967 10/23/2007 4.055 10/22/2007 4.057 10/19/2007 4.041 10/18/2007 4.153 10/17/2007 4.211 10/16/2007 4.342 10/15/2007 4.389 10/12/2007 4.412 10/11/2007 4.371 10/10/2007 4.369 10/9/2007 4.366 10/5/2007 4.335 10/4/2007 4.207 |
#3
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Normalize time series
Assuming data in A1:B18, and cell B18 holds the "base" value,
=ROUND(B1/$B$18*100,3) and copy down. On Wed, 31 Oct 2007 17:03:18 -0700, wowfed wrote: How do I normalize a time series so the series starts at 100. As per some of my clients its a common procedure to do in Bloomberg to normalize a data series. He says it divides by the starting level * 100, so the series starts at 100. It would be great if some one can provide me a formula for this.. As a example , I have historical 5 year treasury yields as follows. I would like to know the formula to normalize this series so it starts from 100. Appreciate your help. 10/30/2007 4.052 10/29/2007 4.045 10/26/2007 4.036 10/25/2007 3.998 10/24/2007 3.967 10/23/2007 4.055 10/22/2007 4.057 10/19/2007 4.041 10/18/2007 4.153 10/17/2007 4.211 10/16/2007 4.342 10/15/2007 4.389 10/12/2007 4.412 10/11/2007 4.371 10/10/2007 4.369 10/9/2007 4.366 10/5/2007 4.335 10/4/2007 4.207 |
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