1 The helmet base form can also be used to create a napkin origami hat for a formal table setting. 2  Fold the bottom point of the helmet base 2/3 of the way to the top. 3  Then, fold this point back onto itself so it is touching the bottom horizontal crease of the napkin. Fold the bottom point of the helmet base 2/3 of the way to the top. 2  Then, fold this point back onto itself so it is touching the bottom horizontal crease of the napkin. 3  If desired, go over these creases with a travel iron to create a crisp look for your folded napkin. 4  Flip the napkin over. 5  Bring the corners together.
The VLOOKUP function is designed to return only the corresponding value of the first instance of a lookup value. But there is a work-around to identify multiple matches. Although VLOOKUP is not used in these array formulas, they are easier to understand and troubleshoot. Table of Contents.
Using Lookup Tables to Match Data. Wenyu Hu, Fang Chen, Liping Zhang. Merck Research Labs, Merck & Co., Inc., Upper Gwynedd, PA. ABSTRACT. Table lookup or searching is a common task performed in SASÂ®. Base SAS Version 8, as well as earlier. versions, offer many lookup methods such as SET with KEY=, arrays, SQL joins, formats, and MERGE with. a BY statement. SAS Version 9 introduced the DATA Step hash object, which provides additional ways to. perform table lookups without the need for sorting or indexing.