Multiple interpolation method for soil data set
An interpolation and multiple technology, which is applied in the fields of electronic digital data processing, digital data information retrieval, special data processing applications, etc., can solve the problems that the data is no longer so accurate, and the uncertainty of interpolation is not considered.
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[0041] Step 1: Estimate incomplete data matrix X using an improved K-neighbor multiple interpolation method to obtain parameters k and m;
[0042] Step 2: Randomly select a missing value in data matrix X, i.e. x is ;
[0043] Step 3: Calculate the interpolation estimate of the missing value using the improved K-neighbor multiple imputation method, and obtain the interpolation estimate by formula (4), i.e
[0044] Step 4: The value x will be missing is Replace with the interpolated estimate Update matrix X to matrix X * ;
[0045] Step 5: Randomly select matrix X * The next missing value in , the process is repeated until all missing values of matrix X in the original data have been estimated.
[0046] Step 6: Repeat steps 2-5 to get M estimated data sets.
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