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LAMBDAs for pivoting/unpivoting tables or arrays and creating cartesian products
LAMBDAs for pivoting/unpivoting tables or arrays and creating cartesian products
This module provides LAMBDAs I use to filter, summarize and pivot tabular data by period ranges, as well as unpivot crosstab ranges. I also include the n-Fold Cartesian Product LAMBDA used in multidimensional modeling. Use this URL in the Advanced Formula Environment ad-in to download this module into your models:
https://gist.github.com/CHatmaker/cc0e8975d30b40734641a06dbae02143
Aboutλ
About this module and links to online resources
PvtSumByPrdλ
Summarize a tabular array to a crosstab array summarizing by period.
UnPivotλ
Convert a crosstab array into a tabular array
RemoveZeroValuesλ
Remove zero values from an unpivoted array
RevHrzArrayλ
Reverse a horizontal array (used in nFoldCartProdλ)
ProdPriorDimλ
Designed to create the product of prior dimension counts (used in nFoldCartProdλ) but can be used produce the produce of numbers going from left to right.
nFoldCartProdλ
Creates the n-fold Cartesian Product Index for n dimensions of various lengths
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