base period

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base period

n
(Statistics) statistics a neutral period used as a standard for comparison in constructing an index to express a variable factor: 100 is usually taken as the index number for the variable in the base period

base period

That period of time for which factors were determined for use in current planning and programming.
References in periodicals archive ?
However, the NDA noted that the value of the total imports during the reference period rose by 27.
The reference period which will be taken into account will be the last three years for which accounts have been closed.
In addition, the company provided new 2017 outlook and now estimates that net sales for 2017 will remain below the reference period and that the operating result for 2017 will remain clearly below the reference period level.
It is not always appreciated that the choice of reference period can affect conclusions, both about the skill of simulations of past climate and about the magnitude of expected future changes in climate.
Each PPI measures price changes from a reference period that equals 100.
Many companies might do a spin-off during a long reference period and these firms might be merger and acquisition activities.
In the reference period, there was an increase in the volume of completed construction works in Kosovo, Albania, Italy, Serbia, Croatia, Bosnia and Herzegovina and the Netherlands, while a decrease was registered in the other countries.
In the reference period, 587 dwellings are planned for construction, with total useful floor area of 48 503 m2.
In North-Eastern Scandinavia, the average increase in temperatures could reach 6[degrees]C by 2071 compared with the 1960-1990 reference period.
The family, trading as TA Gwillim & Sons, took legal action through the Swansea law firm JCP Solicitors, and the Court of Appeal has now upheld a High Court decision that the allocation of entitlements received by the farmer was dramatically impacted by the changes to Tir Gofal and that production during the reference period 2000 to 2002 had been adversely affected as a result - despite there being no actual reduction in stock numbers.
Groups 0 and 6 are for totals less than and greater than any recorded in the 1961 - 1990 reference period.
cotton production by 9 percent and increased global prices for cotton by an average of 6 percent over the reference period.

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