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  2. Calculated Carbon Aromaticity Index - Wikipedia

    en.wikipedia.org/wiki/Calculated_Carbon_Aromati...

    As the name suggests, CCAI is a calculation based on the density and viscosity of a given fuel. The formula is rather complex but in general, the higher the CCAI, the poorer the ignition quality of the fuel is considered to be. Once the CCAI goes above 860, it is an indication that some combustion problems may occur.

  3. Capital Cost Allowance - Wikipedia

    en.wikipedia.org/wiki/Capital_Cost_Allowance

    CCA itself is generally calculated using the following items: CCA = capital cost allowance for the current fiscal period UCC = undepreciated capital cost before claiming CCA in the current fiscal period t = the proportion of days in the current fiscal period vs a normal fiscal period, if the current fiscal period is a stub, otherwise 1

  4. Consumption of fixed capital - Wikipedia

    en.wikipedia.org/wiki/Consumption_of_fixed_capital

    The Capital Consumption Allowance (CCA) is the portion of the gross domestic product (GDP) which is due to depreciation. The Capital Consumption Allowance measures the amount of expenditure that a country needs to undertake in order to maintain, as opposed to grow, its productivity .

  5. Canonical correlation - Wikipedia

    en.wikipedia.org/wiki/Canonical_correlation

    In statistics, canonical-correlation analysis (CCA), also called canonical variates analysis, is a way of inferring information from cross-covariance matrices.If we have two vectors X = (X 1, ..., X n) and Y = (Y 1, ..., Y m) of random variables, and there are correlations among the variables, then canonical-correlation analysis will find linear combinations of X and Y that have a maximum ...

  6. Equivalent annual cost - Wikipedia

    en.wikipedia.org/wiki/Equivalent_annual_cost

    Calculation of the after-tax NPV of the operating cost stream; Applying a sinking fund amortization factor to the after-tax amount of any salvage value. In mathematical notation, for assets subject to the general half-year rule of CCA calculation, this is expressed as:

  7. Kreft's dichromaticity index - Wikipedia

    en.wikipedia.org/wiki/Kreft's_dichromaticity_index

    This means, that pumpkin seed oil changes its color from green-yellow to orange-red (for 44 degrees in Lab color space) when the thickness of the observed layer is increased from cca 0.5 mm to 2 mm; and it changes slightly towards green (for 9 degrees) if its thickness is reduced for four-fold.

  8. Canonical correspondence analysis - Wikipedia

    en.wikipedia.org/wiki/Canonical_correspondence...

    In multivariate analysis, canonical correspondence analysis (CCA) is an ordination technique that determines axes from the response data as a unimodal combination of measured predictors. CCA is commonly used in ecology in order to extract gradients that drive the composition of ecological communities.

  9. Capsize screening formula - Wikipedia

    en.wikipedia.org/wiki/Capsize_screening_formula

    The Cruising Club of America (CCA) put together a technical committee that analyzed race boat data. They came up with the formula to compare boats based on readily available data. The CCA characterizes the formula as "rough". A lower value is supposed to indicate a sailboat is less likely to capsize. A value of 2 is taken as a cutoff for ...