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about JSL formula to mark lowest 6 numbers within each fixed Item

I have one table with column "ITEM" and "ID", and the "ID" column value is random, could help to suggest how to use JSL formula to create one new column, and fill in content "Y" when the "ID" value is the lowest 6 within each fixed "ITEM" value. thanks a lot

 

ITEM	ID	6 low ID within each Fixed Item?
OHO1129	73	Y
OHO1129	111
OHO1129	72	Y
OHO1129	71	Y
OHO1129	114
OHO1129	113
OHO1129	69	Y
OHO1129	109
OHO1129	70	Y
OHO1129	116
OHO1129	115
OHO1129	110
OHO1129	74
OHO1129	68	Y
OHO1129	112
OHO1181	126
OHO1181	129
OHO1181	130
OHO1181	128
OHO1181	127
OHO1181	126
OHO1181	93	Y
OHO1181	129
OHO1181	92	Y
OHO1181	96	Y
OHO1181	91	Y
OHO1181	100
OHO1181	99
OHO1181	97
OHO1181	94	Y
OHO1181	128
OHO1181	127
OHO1181	98
OHO1181	95	Y
OHO1191	79
OHO1191	77
OHO1191	78
OHO1191	82
OHO1191	83
OHO1191	84
OHO1191	81
OHO1191	76
OHO1191	80
OHO1191	37
OHO1191	36
OHO1191	35
OHO1191	34	Y
OHO1191	33	Y
OHO1191	31	Y
OHO1191	30	Y
OHO1191	29	Y
OHO1191	32	Y
OHO1191	76
OHO1191	75
OHO1192	161
OHO1192	157
OHO1192	71	Y
OHO1192	153
OHO1192	68	Y
OHO1192	156
OHO1192	155
OHO1192	73
OHO1192	67	Y
OHO1192	160
OHO1192	72	Y
OHO1192	158
OHO1192	69	Y
OHO1192	74
OHO1192	159
OHO1192	151
OHO1192	70	Y

ScriptingRe: about JSL formula to mark lowest 6 numbers within each fixed Item

Here is one way to solve your issue.

Here is the formula I used

If( Row() == 1 | Lag( :ITEM ) != :ITEM,
 currentItem = :ITEM;
 theRows = Current Data Table() << get rows where( :ITEM == currentItem );
 For( i = 1, i <= N Rows( theRows ), i++,
  theRows[i] = :ID[theRows[i]]
 );
 r = Rank( theRows );
 theValues = theRows[r];
 Remove From( theValues, 7, 9999999 );
);
If( N Rows( Loc( theValues, :ID ) ) > 0,
 "Y",
 ""
);

I have attached the sample data table shown above

 

 

Re: about JSL formula to mark lowest 6 numbers within each fixed Item

You can also use Col Rank combined with if:

tempRank = Col Rank(:ID, :ITEM);
If(tempRank <= 6, "Y", "");

Re: about JSL formula to mark lowest 6 numbers within each fixed Item

Better answer