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FREQUENCY LIST OF NAMES

Posted on 2003-10-22
6
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Last Modified: 2008-02-01
Dear Experts,

I would need your helpfull to build a script which would create a sorted frequency list
from a list of names, from a <textarea> to another <textarea>

For example:

FROM

<textarea>

Charles Letchev
Edmund Casparot
Ray Davies da Silva
Ronaldo Marcado
Noites e Dias da Silva
Maria Camilla Freindlich
Kenshin Himura
Satoro Sato
Jane Austin
Miguel da Silva
Edmund Casparot
Ronaldo marcado
Jane Austin
Charles Letchev
</textarea>

TO
<TEXTAREA>
Charles Letchev                  2
Edmund Casparot               2
Jane Austin                        2
Kenshin Himura                  1
Maria Camilla Freindlich      1
Miguel da Silva                   1
Noites e Dias da Silva          1
Ray Davies da Silva             1
Ronaldo Marcado                2
Satoro Sato                        1
</TEXTAREA>


Thank you very much.


soperl





</textarea>

0
Comment
Question by:soperl
  • 3
  • 2
6 Comments
 
LVL 25

Expert Comment

by:devic
ID: 9603103
hi soperl,

try this:
=========================================
<html>
<head>
      <title>Untitled</title>
      <META http-equiv="Content-Type" content="text/html; charset=windows-1251">
</head>

<body bgcolor=ffffff topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
<script>
function runit()
{
      var mytext1=document.getElementById("t1");
      var mytext2=document.getElementById("t2");
      var mytextArr=mytext1.innerHTML.split("\n");
      mytextArr.sort();
      
      mytext2.innerHTML=mytextArr.join("\n");
}
</script>
<textarea id=t1 style=height:300px>
Charles Letchev
Edmund Casparot
Ray Davies da Silva
Ronaldo Marcado
Noites e Dias da Silva
Maria Camilla Freindlich
Kenshin Himura
Satoro Sato
Jane Austin
Miguel da Silva
Edmund Casparot
Ronaldo marcado
Jane Austin
Charles Letchev
</textarea>

<textarea id=t2 style=height:300px>
</textarea>

<button onclick=runit()>runit</button>
</body>
</html>
0
 
LVL 6

Expert Comment

by:ren_b
ID: 9603120
so what you want is to just put the number of times each name shows up in textarea 1, in textarea 2?

this is probably a bad way to do it, but it'd work:

you'd make textarea 1 a string...

var text1 = document.forms[0].elements[0]; //assuming its the first eleemnt in the form
var text2 = document.forms[0].elements[1]; //same deal

var text1_names = text1.value.split('\n');

for (var a=0;a<text1_names.length;a++){
  var names[a] = 0;
  for (var b=0;b<text1_names.length;b++){
    if (text1_names[a] == text1_names[b]){
      var name[b]=text1_name[b];
      names[b]++;
}}}
for (var c=0;c<name.length;c++)
  text2.value += names[c] + " " + name[c] + "\n";


i think that should work, though i haven't tested it
0
 

Author Comment

by:soperl
ID: 9605790

Dear devic,

Your function works fine, but I would need the frequencies side by side of names.

----------------------------------


Dear ren_b,

Yes, but deleting the lines in duplicate.

Please complete your function() to be most clear to me.

-----------------------------------

soperl
0
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LVL 25

Accepted Solution

by:
devic earned 260 total points
ID: 9615478

soperl, here is solution:
======================================
<html>
<head>
    <title>Untitled</title>
    <META http-equiv="Content-Type" content="text/html; charset=windows-1251">
</head>

<body bgcolor=ffffff topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
<script>
function runit()
{
    var mytext1=document.getElementById("t1");
    var mytext2=document.getElementById("t2");
      var tmpspan=document.getElementById("tmpspan");
    var mytextArr=mytext1.innerHTML.replace(/\r/,"").split("\n");
      mytextArr.sort();
      tmpspan.innerHTML=countitems(mytextArr).join("<br>");
      mytext2.innerText=tmpspan.innerText;
}
function countitems(myarr)
{
      var origarr=myarr;
      var resarr=myarr;
      for(var i=0;i<myarr.length;i++)
      {
            var tmp=0;
            for(var j=0;j<origarr.length;j++)
            {
                  if(origarr[j].toLowerCase().indexOf(myarr[i].toLowerCase())!=-1)
                  {
                        tmp++;
                  }
            }
            resarr[i]=origarr[i]+" :"+tmp;
      }
      return removedublicate(myarr);
}
function removedublicate(myarr)
{
      var resarr=new Array();
      var j=0;
      for(var i=0;i<myarr.length;i++)
      {
            if(resarr.toString().toLowerCase().indexOf(myarr[i].toLowerCase())==-1)
            {
                  resarr[j]=myarr[i];
                  j++;
            }
      }
      return resarr;
}
</script>
<textarea id=t1 style=height:300px;width:400px;>
Charles Letchev
Edmund Casparot
Ray Davies da Silva
Ronaldo Marcado
Noites e Dias da Silva
Maria Camilla Freindlich
Kenshin Himura
Satoro Sato
Jane Austin
Miguel da Silva
Edmund Casparot
Ronaldo marcado
Jane Austin
Charles Letchev

</textarea>
<textarea id=t2 style=height:300px;width:400px;></textarea>
<div id=tmpspan style=display:none;></div><br>
<button onclick=runit()>runit</button>
</body>
</html>

======================================
if you want to be "Ronaldo marcado" not equal to "Ronaldo Marcado" (case-sensitive)
then remove .toLowerCase()
0
 
LVL 25

Expert Comment

by:devic
ID: 9626644
hi soperl,

did you solved your problem?
0
 

Author Comment

by:soperl
ID: 9628834
Dear devic,

No doubt! Solve my problem!

Thank you very much.

soperl,
0

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