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Rating Stats for

Tomas Greif

Rating
1485.92 (4,463,756th) 		Reputation
12,298 (11,944th)
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Title Δ
Start new R package development on github +4.14
Select data for 15 minute windows - PostgreSQL 0.00
Error in dbPreExists && !overwrite : invalid 'x' type in 'x... -3.66
Data Warehouse Dimension Design for Factless Fact Table 0.00
Postgresql Multiple counts for one table -4.81
Error when executing an INSERT statement in PostgreSQL? +0.22
How to convert local timestamp (of a given time zone) to UTC? 0.00
Get interval in milliseconds 0.00
more than one row returned by a subquery used as an expression post... 0.00
Ranking Function in Postgresql +0.03
Partition data in Percentile range and assign different value for d... +0.23
Calculated Date filed from another Date field that is Randomised -0.06
Postgresql k-nearest neighbor (KNN) on multidimensional cube 0.00
Postgres: how to convert from unix epoch to date? 0.00
SQL is it possible to combine group, count and distinct? +0.88
DECODE to CASE Statement +0.13
Point-in-time snapshots in data warehouse 0.00
How to identify a new pattern in a URL with a machine learning algo... 0.00
Finding max value from count without using max -0.33
Difference between hierarchy and levels +4.05
Remove spaces in words -2.10
Reading flat file with uneven no. of columns 0.00
Get help for R package +3.85
Display Czech characters in graph title 0.00
Difference between dates in different rows 0.00
List tables in logical order of dependecies 0.00
SQL group by, not sure what it's called +1.85
Combine two SQL select into one +1.12
Sequential numbering of data sequence +0.28
Months between two dates function -1.33
Learning Data(base) Modelling - Start-up Guidance +3.98
How to sum 5 minute intervals in R -3.59
What is a viable table structure for an ETL tool when extracting da... -3.87
How to distinguish photo from picture? +4.18
Excel VBA: SQL Query to Return n Rows in Random Order 0.00
Data Warehouse: Working with accumulated data -3.39
Aggregate functions over arrays -3.85
Aggregate functions over arrays -0.85
Aggregate functions over arrays -0.85
OLAP - Calculate run-off triangles, sample data and cube included (... 0.00
OLAP - Calculate run-off triangles, sample data and cube included (... 0.00
How to approach data warehouse (postgressql) documentation? -2.86
Writing to specific schemas with RPostgreSQL 0.00
best free olap reporting tool 0.00
How can I get a hash of an entire table in postgresql? 0.00
Calendar table for Data Warehouse 0.00