![]() ![]() The second month's value I 2 = I 1 * (200+i 2`)/(200-i 2`) and this formula is used recursively to compute the index levels for each month that data are available. The index is calculated recursively starting from an initial value of 100 for the first month of the sample period (i.e. (5) The level of the index is computed using the symmetric percent change formula. For example, the trend adjustment factor for the leading index is computed by subtracting its average monthly growth rate (sum over i t/ T where T is the number of observations in the sample) from the average monthly growth rate of the coincident index. This is accomplished by adding an adjustment factor, a, to the growth rates of the index each month (i t`= i t+ a). (4) The sum of the adjusted contributions, i.e., growth rates, of the composite indexes are adjusted to equate their trends to that of the coincident index. Also, and refer to a particular component of the index and notation such as ( m x,t) which is the monthly growth rate of the index. In the notation below, and refer to the current and prior month respectively. The procedure for calculating the composite indexes has six distinct steps. Please refer to Janutechnical notes for details on the comprehensive revisions. Human Capital Benchmarking & Data Analytics.The 2023 IBI/Conference Board Health and Productivity Forum. ![]()
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