[[statistic()]]
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en:create:functions:statistic [02.12.2014 20:07] – [Valid Percent] alexander.ritteren:create:functions:statistic [02.12.2014 23:02] – alexander.ritter
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 ''mixed **statistic**(string //statistic//, array|string //variables//, mixed //option//, [boolean //alldata//])'' ''mixed **statistic**(string //statistic//, array|string //variables//, mixed //option//, [boolean //alldata//])''
  
-The function statistic() can determine univariate specific values from the data record (across all previous interviews).+The function statistic() can determine specific univariate data from the data record (across all previous interviews).
  
  
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 ===== Mode: Value that Occurs Most Frequently ===== ===== Mode: Value that Occurs Most Frequently =====
  
-Returns the value that has been selected most frequently so far. If multiple values have been selected equally often then these are returned separated by a comma. +This returns the value that has been selected most frequently so far. If multiple values have been selected equally often then these are returned separated by a comma. 
  
 As a third argument (in this instance a Boolean), it is possible to specify if invalid values (no answer etc.) should also be counted. As a third argument (in this instance a Boolean), it is possible to specify if invalid values (no answer etc.) should also be counted.
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 ===== Min, Max and Mean of the Valid Data ===== ===== Min, Max and Mean of the Valid Data =====
  
-The statistics '''min''', '''mean''' und '''max''' only calculate a correct value if numerical values exist for the question. Data in a text input is ignored if it is not a number -- unless (''true'') is given for the third parameter, that invalid values should also be entered in the statistics. +The statistics '''min''', '''mean''' und '''max''' only calculate a correct value if numerical values exist for the question. Data in a text input is ignored if it is not a number -- unless is it is specified that invalid values should also be entered into the statistics (''true'') as the third parameter. 
  
-If no valid values are available up to now, 0 is returned for the '''mean'', and the value ''false'' for the ''min'' and ''max''. +If no valid values are available, 0 is returned as the '''mean'', and the value ''false'' as the ''min'' and ''max''. 
  
 <code php> <code php>
en/create/functions/statistic.txt · Last modified: 03.05.2024 09:21 by jdupont
 
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