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Mapping R functions to SQL

Introduction
I assume that I have the following data.frame definition
d<-data.frame(a=1:10, b=rnorm(10), c=rnorm(10))
with output similar to
a b c
1 1 -1.4340611 1.3757397
2 2 0.1826867 1.4184245
3 3 -0.6749343 [...]

Estimating effort

In producing estimates anchoring could be of good use.

The thought of the day

When a middleware techonology starts to be the favourite one in EU funded projects, it is near its death and ultimate demise.