The best replacement for data analysis is data mining.

The best alternatives to data analysis are rated as following:
★★★★★  data mining
★★★★  data analytics
★★  data science
★★  data collection
★  inferential data analysis
★  business analysis
★  quantitative data analysis
★  qualitative data analysis
  data analysis
  quantitative analysis

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Speaking about data analysis, one probably shouldn't forget about microsoft excel.

Other search terms related to data analysis and their ratings are:
★★★★★ microsoft excel
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Google Trends

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data analysis
data mining
data analytics