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public:calculator:guides:ppc_cv [16/02/26 21:41 GMT] – [Running CV] johnpublic:calculator:guides:ppc_cv [17/02/26 08:00 GMT] (current) – [Further Information] john
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 If you want equally spaced ''X'' coordinates for single variable Y-data ''CV'' puts incrementing digit in ''X'' so you simply If you want equally spaced ''X'' coordinates for single variable Y-data ''CV'' puts incrementing digit in ''X'' so you simply
  
-  * <key>ENTER</key> ''Y<sub>1</sub>'' <key>'Σ+'</key> +<key>ENTER</key> ''Y<sub>1</sub>'' <key>'Σ+'</key> 
-  * <key>ENTER</key> ''Y<sub>2</sub>'' <key>'Σ+'</key> + 
-  * <key>ENTER</key> ''Y<sub>3</sub>'' <key>'Σ+'</key> +<key>ENTER</key> ''Y<sub>2</sub>'' <key>'Σ+'</key> 
-  * <key>ENTER</key> ''Y<sub>4</sub>'' <key>'Σ+'</key> + 
-  * ...+<key>ENTER</key> ''Y<sub>3</sub>'' <key>'Σ+'</key> 
 + 
 +<key>ENTER</key> ''Y<sub>4</sub>'' <key>'Σ+'</key> 
 + 
 +...
  
 and you accumulate as if you'd entered ''(1,Y<sub>1</sub>)'', ''(2,Y<sub>2</sub>)'', ''(3,Y<sub>3</sub>)'', ''(4,Y<sub>4</sub>)''...  and you accumulate as if you'd entered ''(1,Y<sub>1</sub>)'', ''(2,Y<sub>2</sub>)'', ''(3,Y<sub>3</sub>)'', ''(4,Y<sub>4</sub>)''... 
 +
 +If you have ''X'' and ''Y'' data then the automatically incrementing ''X'' is overwritten by the manually entered //real// ''X'' values.
  
 ===== Examples ===== ===== Examples =====
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 ==== Manual Linear Fit ==== ==== Manual Linear Fit ====
 +
 +=== Data ===
 +
 +Negative ''X'' and ''Y'' values allowed for a ''Linear'' Fit
 +
  
 ^X^Y^ ^X^Y^
 +| -1.5 | -3|
 |1.1|5.2| |1.1|5.2|
 |4.5|12.6| |4.5|12.6|
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 |15.6|34.0| |15.6|34.0|
  
 +=== Entry procedure ===
  
   * <key>SHIFT</key> <key>'E'</key> ''Initialize''   * <key>SHIFT</key> <key>'E'</key> ''Initialize''
 +  * ''1.5''<key>CHS</key> <key>ENTER</key> ''3''<key>CHS</key> <key>'∑+'</key>
   * ''1.1''<key>ENTER</key> ''5.2'' <key>'∑+'</key>   * ''1.1''<key>ENTER</key> ''5.2'' <key>'∑+'</key>
   * ''4.5''<key>ENTER</key> ''12.6'' <key>'∑+'</key>   * ''4.5''<key>ENTER</key> ''12.6'' <key>'∑+'</key>
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   * ''10''<key>ENTER</key> ''23'' <key>'∑+'</key>   * ''10''<key>ENTER</key> ''23'' <key>'∑+'</key>
   * ''15.6''<key>ENTER</key> ''34'' <key>'∑+'</key>   * ''15.6''<key>ENTER</key> ''34'' <key>'∑+'</key>
-  * ''1'' (Linear Fit ''J'') 
-  *  Do fit : <key> 'B'</key> 
  
-  * Z : '' 0.999035140  '' : r correlation coefficient +=== Fit to Linear ===
-  * Y : '' 3.499147270  '' : a coefficient (y-intercept) +
-  * X : '' 1.972047542  '' : b coefficient (gradient)+
  
-'' Y = 1.972 X + 3.499 ''+  * ''1'' (for Linear Fit ''J'' = ''1'') <key>'B'</key> 
 + 
 +=== Results === 
 + 
 +  * Z : '' 0.995734680  '' : r correlation coefficient 
 +  * Y : '' 2.017167182  '' : a coefficient (y-intercept) 
 +  * X : '' 2.113978698  '' : b coefficient (gradient) 
 + 
 +Linear Equation : '' Y = 2.114 X + 2.017 '' 
 + 
 +=== Estimations ===
  
 Predict ''Y'' for ''X = 20 '' Predict ''Y'' for ''X = 20 ''
  
   * ''20'' <key>'C'</key>    * ''20'' <key>'C'</key> 
-    * '' 42.94009811 ''+    * '' 44.9674114 ''
  
 Predict ''X'' for ''Y = 25 '' Predict ''X'' for ''Y = 25 ''
  
   * ''25'' <key>'D'</key>   * ''25'' <key>'D'</key>
-    * '' 10.90280649 ''+    * '' 10.87183747 '' 
  
  
 +==== Best Fit Method ====
  
 +FIXME
  
  
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 ===== Further Information ===== ===== Further Information =====
  
 +See also : [[dm41x_ppc|]]
  
 {{tag>calculator dm41x}} {{tag>calculator dm41x}}
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 Page created :  16/02/26 20:13 GMT Page created :  16/02/26 20:13 GMT
  
-Page upated : ~~LASTMOD~~+Page updated : ~~LASTMOD~~
  

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