2019
2018
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Dec 17Digital questionnaires scripting pro tips
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Dec 17SPSS working directory
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Dec 14How to filter rows in Excel that have count greater than 1
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Jul 26How to check to convert a string variable to numeric/categorical in SPSS
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Jul 26How to check for duplicate values in a column in a dataframe in R
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Jul 23How to update fields in a dataframe in R
2017
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Apr 13Introduction to Data Science in R Part I
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Apr 6Generating Random Directional Steps in SurveyToGO
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Jan 10Using text fields from a repeat group as choices in your XLSForm.
2016
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Aug 12XLSForms Authoring Tips and Tricks
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Aug 12Improving performance of your XLSForm
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Jul 6Getting rid of the NaN in XLSForms calculations.
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Apr 11Generating Random Numbers in SurveyToGO