Category Archives: FAQ

Comparison Between esProc’s Sequence Table Object and R’s Data Frame

Both esProc and R language are typical data processing and analysis languages with two-dimensional structured data objects. They are all good at multi-step complex computations. However their two-dimensional structured data objects are quite different from each other in the underlying … Continue reading

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Comparison of Loop Function in esProc and R Language

Loop function can traverse every member of an array or a set, express complicated loop statements with simple functions, as well as reduce the amount of code and increase readability. Both esProc and R language support the loop function. The … Continue reading

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Comparison of esProc and R Language in Processing External Text Files

As languages for data computations, both esProc and R language have rich functions to process external text files. They have many similarities in basic usage, as well as obvious differences, such as in the aspect of processing files with fixed … Continue reading

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esProc Helps Process Structured Texts in Java – Alignment Join

The join statements of the database can be used conveniently to perform the operation of alignment join. But sometimes the data is stored in the text files, and to compute it in Java alone we need to write a large … Continue reading

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esProc Helps Process Structured Texts in Java –Non-Single Row Records

esProc can help Java deal with various computations in processing structured texts. But in the case of non-single row records, it is necessary to preprocess the data before esProc can perform computations on it. Let’s look at this through an … Continue reading

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How to Compute Moving Average in R Language

A moving average is used to smooth out a time series. Computing moving average is a typical case of ordered data computing. Its basic computing method is to create a subset composed of N consecutive members of a time series, … Continue reading

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Method of Computing Link Relative Ratio and Year-on-year Comparison in R Language

Cross-row and –group computation often involves computing link relative ratio and year-on-year comparison. Link relative ratio refers to comparison between the current data and data of the previous period. Generally, it takes month as the time interval. For example, compare … Continue reading

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