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Reverse the tiedrank function
I want to calculate the Spearman rank correlation for a bivariate dataset by using the tiedrank function to rank the value for b...
9 years 前 | 0 个回答 | 0
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Extract same columns from multiple excel files
I have 145 excel files all formatted the same way. I want to pull the same cells from each excel file and compile all the values...
9 years 前 | 1 个回答 | 0
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Finding maximum value in a column of a matrix corresponding to multiple sets of duplicates in another column
I have a 6690 x 2 matrix with year (ordered from oldest to newest) in the first column and magnitude values of specific earthqua...
9 years 前 | 2 个回答 | 0
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Cumulative sums of values corresponding to all duplicate values in a vector
I have three vectors of the same length-- one that contains identification numbers for wells, one with year in operation, and on...
10 years 前 | 1 个回答 | 0