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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/doc/group.html | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/docs/doc/group.html b/docs/doc/group.html index 8a562285..88e02f29 100644 --- a/docs/doc/group.html +++ b/docs/doc/group.html @@ -18,9 +18,6 @@ a b c d e </pre> <p>For example, we might choose to group a list of words by length. Within each group, cells maintain the ordering they had in the list originally.</p> <pre> <span class='Value'>phrase</span> <span class='Gets'>←</span> <span class='String'>"BQN"</span><span class='Ligature'>‿</span><span class='String'>"uses"</span><span class='Ligature'>‿</span><span class='String'>"notation"</span><span class='Ligature'>‿</span><span class='String'>"as"</span><span class='Ligature'>‿</span><span class='String'>"a"</span><span class='Ligature'>‿</span><span class='String'>"tool"</span><span class='Ligature'>‿</span><span class='String'>"of"</span><span class='Ligature'>‿</span><span class='String'>"thought"</span> -┌───┬────┬────────┬──┬─┬────┬──┬───────┐ -│BQN│uses│notation│as│a│tool│of│thought│ -└───┴────┴────────┴──┴─┴────┴──┴───────┘ <span class='Function'>⥊</span><span class='Modifier'>˘</span> <span class='Function'>≠</span><span class='Modifier'>¨</span><span class='Modifier2'>⊸</span><span class='Function'>⊔</span> <span class='Value'>phrase</span> ┌───────────┐ │⟨⟩ │ @@ -126,13 +123,7 @@ caeb <h2 id="applications">Applications</h2> <p>The obvious application of Group is to group some values according to a known or computed property. If this property isn't an integer, it can be turned into one using Unique and Index Of (the combination <code><span class='Function'>⍷</span><span class='Modifier2'>⊸</span><span class='Function'>⊐</span></code> has been called "self-classify").</p> <pre> <span class='Value'>ln</span> <span class='Gets'>←</span> <span class='String'>"Phelps"</span><span class='Ligature'>‿</span><span class='String'>"Latynina"</span><span class='Ligature'>‿</span><span class='String'>"Bjørgen"</span><span class='Ligature'>‿</span><span class='String'>"Andrianov"</span><span class='Ligature'>‿</span><span class='String'>"Bjørndalen"</span> -┌──────┬────────┬───────┬─────────┬──────────┐ -│Phelps│Latynina│Bjørgen│Andrianov│Bjørndalen│ -└──────┴────────┴───────┴─────────┴──────────┘ <span class='Value'>co</span> <span class='Gets'>←</span> <span class='String'>"US"</span> <span class='Ligature'>‿</span><span class='String'>"SU"</span> <span class='Ligature'>‿</span><span class='String'>"NO"</span> <span class='Ligature'>‿</span><span class='String'>"SU"</span> <span class='Ligature'>‿</span><span class='String'>"NO"</span> -┌──┬──┬──┬──┬──┐ -│US│SU│NO│SU│NO│ -└──┴──┴──┴──┴──┘ <span class='Function'>⥊</span><span class='Modifier'>˘</span> <span class='Value'>co</span> <span class='Function'>⍷</span><span class='Modifier2'>⊸</span><span class='Function'>⊐</span><span class='Modifier2'>⊸</span><span class='Function'>⊔</span> <span class='Value'>ln</span> ┌────────────────────┐ │┌──────┐ │ @@ -150,9 +141,6 @@ caeb </pre> <p>If we would like a particular index to key correspondence, we can use a fixed left argument to Index Of.</p> <pre> <span class='Value'>countries</span> <span class='Gets'>←</span> <span class='String'>"IT"</span><span class='Ligature'>‿</span><span class='String'>"JP"</span><span class='Ligature'>‿</span><span class='String'>"NO"</span><span class='Ligature'>‿</span><span class='String'>"SU"</span><span class='Ligature'>‿</span><span class='String'>"US"</span> -┌──┬──┬──┬──┬──┐ -│IT│JP│NO│SU│US│ -└──┴──┴──┴──┴──┘ <span class='Value'>countries</span> <span class='Function'>∾</span><span class='Modifier'>˘</span> <span class='Value'>co</span> <span class='Value'>countries</span><span class='Modifier2'>⊸</span><span class='Function'>⊐</span><span class='Modifier2'>⊸</span><span class='Function'>⊔</span> <span class='Value'>ln</span> ┌──┬────────────────────┐ │IT│⟨⟩ │ @@ -174,9 +162,6 @@ caeb </pre> <p>However, this solution will fail if there are trailing keys with no values. To force the result to have a particular length you can append that length as a dummy index to each argument, then remove the last group after grouping.</p> <pre> <span class='Value'>countries</span> <span class='Gets'>↩</span> <span class='String'>"IT"</span><span class='Ligature'>‿</span><span class='String'>"JP"</span><span class='Ligature'>‿</span><span class='String'>"NO"</span><span class='Ligature'>‿</span><span class='String'>"SU"</span><span class='Ligature'>‿</span><span class='String'>"US"</span><span class='Ligature'>‿</span><span class='String'>"ZW"</span> -┌──┬──┬──┬──┬──┬──┐ -│IT│JP│NO│SU│US│ZW│ -└──┴──┴──┴──┴──┴──┘ <span class='Value'>countries</span> <span class='Function'>∾</span><span class='Modifier'>˘</span> <span class='Value'>co</span> <span class='Value'>countries</span><span class='Brace'>{</span><span class='Value'>𝕗</span><span class='Modifier2'>⊸</span><span class='Function'>⊐</span><span class='Modifier2'>⊸</span><span class='Paren'>(</span><span class='Number'>¯1</span><span class='Function'>↓⊔</span><span class='Modifier2'>○</span><span class='Paren'>(</span><span class='Function'>∾</span><span class='Modifier2'>⟜</span><span class='Paren'>(</span><span class='Function'>≠</span><span class='Value'>𝕗</span><span class='Paren'>)))</span><span class='Brace'>}</span> <span class='Value'>ln</span> ┌──┬────────────────────┐ │IT│⟨⟩ │ |