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Tomas Greif
Tomas Greif has asked
67
questions and find answers to
34
problems.
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1.2k
EtPoint
344
Vote count
67
questions
34
answers
About
Tomas Greif questions
Return name of data frame from function
Identify Inf in sqldf
Pass arguments to function using ellipsis and set default for some if not existing
Access PostGIS from R on Windows XP
PostgreSQL CAST(x AS typename) or x::typename
Improve performance of custom aggregate function in PostgreSQL
Convert escaped Unicode character back to actual character in PostgreSQL
Filter data frame based on multiple conditions in another data frame
Generate series of dates - using date type as input
bestglm alternatives for dataset with many variables
Tomas Greif answers
How to distinguish photo from picture?
Dynamic SQL Query in R (WHERE)
Group by floating date range
Select data for 15 minute windows - PostgreSQL
Postgresql k-nearest neighbor (KNN) on multidimensional cube
Calculating the Weighted Average Cost of products stock
postgres random using setseed
Typo in `dplyr::percent_rank`?
How to create a database that shows a calendar of availability for a set of apartments?
OLAP - Calculate run-off triangles, sample data and cube included (PostgreSQL/Mondrian)
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