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Re: Nested If statements

I would suggest using Contains() instead of long copy pasted list of or statements and possible associative array for value comparison. If you need a formula you might have to use Insert one expression into another using Eval Insert, Eval Expr, Parse, and Substitute to get lists / associative arrays into the formula. This might give some ideas:

Names Default To Here(1);

aa_pc_limits = Associative Array();
aa_pc_limits["MIX 1 A"] = {1, 5};
aa_pc_limits["MIX 2 B"] = {3, 4};
aa_pc_limits["MIX 2 C"] = {2, 5};
aa_pc_limits["MIX 2 D"] = {1, 4};

ntc_valid = {"MTX 1 A", "MIX 2 B", "MIX 2C"};
non_pc_valid = {"MTX 1 IC", "MIX 2 IC", "MIX 3 IC"};


dt = New Table("Untitled",
 Add Rows(8),
 New Column("Sample Name",
  Character,
  "Nominal",
  Set Values({"NTC", "NTC", "AA", "AA", "AA", "PC", "PC", ""})
 ),
 New Column("Target Name",
  Character,
  "Nominal",
  Set Values(
   {"MTX 1 A", "MTX AAAA", "MTX 1 IC", "MTX 1 IC", "AAA", "MIX 1 A", "BBB",
   ""}
  )
 ),
 New Column("CT_numeric",
  Numeric,
  "Continuous",
  Format("Best", 12),
  Set Values([., ., 2, 5, ., 2, 5, .])
 ),
 New Column("CT",
  Character,
  "Nominal",
  Set Values({"Undetermined", "", "", "", "", "", "", ""})
 ),
 New Column("Run Validity",
  Character,
  "Nominal",
  Set Values({"", "", "", "", "", "", "", ""})
 )
);

dt:Run Validity << Set Formula(
 If(:Sample Name == "NTC",
  If(Contains(ntc_valid, :Target Name),
   If(:CT == "Undetermined",
    "Pass";
   , // else
    "Fail";
   )
  , // else
   "NOT DEFINED. NTC"
  )
 , :Sample Name != "PC",
  If(Contains(non_pc_valid, :Target Name),
   If((1 < :CT_numeric < 4),
    "Pass"
   ,
    "Fail"
   )
  ,
   "NOT DEFINED. NON-PC"
  )
 , :Sample Name == "PC",
  If(Contains(aa_pc_limits, :Target Name),
   IfMZ(aa_pc_limits[:Target Name][1] < :CT_numeric < aa_pc_limits[:Target Name][2],
    "PASS"
   ,
    "FAIL"
   )
  ,
   "NOT DEFINED. PC";
  )
 , //else
  "NOT DEFINED";
 );
);

Re: Nested If statements

Thank you for this, but I'm not sure I follow it fully. What do 12, 13, 14 etc. refer to in this case?

 

Thanks

Re: Nested If statements

Thank you, I was looking for something like contains for ages but couldn't find it. And thank you for the nest if statements, I'll give this a go.

Re: Nested If statements

I would guess they refer to ages (and keys in associative arrays to perform lookup).

Re: Nested If statements

12,13,14 are the ages of the big class rows.

The [ square brackets ] for the outer associative array define two entries, one for "M" and one for "F". Each of those entries is also a an associative array with several entries indexed by ages. At the bottom you can see a 2-dimensional index using [sex][age] to look up a rule. Associative arrays also have an otherwise value that can be used when the key is not in the array.

So, Lookup["M"] returns an AA with entries for 12 and 13; Lookup["M"][12] returns the 80...90 rule, and evaluating that uses the weight value from the current row to produce a string.

 

The =>"?" needs to be =>[=>"?"] to actually work if there were values other than F and M. Otherwise Lookup["X"] would not return the expected AA for a 2nd index.

Re: Nested If statements

Another possible approach to managing a complicated set of rules

dt = open("$sample_data/big class.jmp");
dt<<NEWCOLUMN> [ // rules for females, by age
   12 => if(59<HEIGHT><63,"Pass","Fail"),
   13 => if(60<HEIGHT><65,"Pass","Fail"),
   14 => "Fail",
   15 => "Pass",
    => "Maybe" // rule for other ages
  ],
  "M" => [ // rules for males, by age
   12 => if(80<WEIGHT><90,"Pass","Fail"),
   13 => if(name=="JOHN","Pass","Fail"),
    => "Possibly" // rule for other ages
  ],
   => [ => "?"]  // rule for unknown sex
 ]);
 // use the table, above, to look up a rule, then evaluate the rule
 Eval( lookup[:sex][:age] )
));</WEIGHT></HEIGHT></HEIGHT></NEWCOLUMN>

Edit: changed =>"?" to =>[=>"?"] as described below.

Nested If statements

Hi, I'm getting lost in implementing nested If statements in JSL:

 

dt1:Run Validity <<
Set Formula(
 If( (:Sample Name == "NTC" & (:Target Name == "MIX 1 A" | :Target Name == "MIX 2 B" | :Target Name == "MIX 2 C" | :Target Name == "MIX 2 D" | :Target Name == "MIX 3 F" |
   :Target Name == "MIX 3 G" | :Target Name == "MIX 3 H" | :Target Name == "MIX 4 I" | :Target Name == "MIX 4 J")), If( (:CT == "Undetermined"), "Pass", "Fail")),

 If( (:Sample Name == "PC" & :Target Name == "MIX 1 A"), If( (1 < :CT_numeric < 5), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 2 B"), If( (3 < :CT_numeric < 4), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 2 C"), If( (2 < :CT_numeric < 5), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 2 D"), If( (1 < :CT_numeric < 4), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 3 E"), If( (1 < :CT_numeric < 3), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 3 F"), If( (4 < :CT_numeric < 5), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 3 G"), If( (3 < :CT_numeric < 6), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 4 H"), If( (1 < :CT_numeric < 4), "Pass", "Fail")),
 If( (:Sample Name == "PC" & :Target Name == "MIX 4 I"), If( (2 < :CT_numeric < 5), "Pass", "Fail")),
  
 If( (:Sample Name != "PC" & (:Target Name == "MIX 1 IC" |:Target Name == "MIX 2 IC" | :Target Name == "MIX 3 IC" | :Target Name == "MIX 4 IC")), If((1 < :CT_numeric < 4), "Pass", "Fail"))

 );

Essentially I want for rows with sample name = NTC and Target Name one of Mix 1 A, Mix 1 B... if CT is undetermined return pass, if not fail

 

Is there a better way to do this with if statements? Or could you point out where I'm going wrong?

 

Thank you

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