LinkLength

The Friends-of-Friends-analysis depends heavily on the chosen linking lengths – up to 6 levels with different values
have been used. For convenience, we store the used values in corresponding LinkLength-tables for each simulation.

Column Type UCD Unit Description
level smallint meta.main number of level as used for database ids, indicates level of substructure
linkLength real Mpc/h linking length in Mpc/h
linkLength_rel real relative linking length
levelInFile smallint meta.main level number as used in the original file names

Example query

Get the full table with levels and linking lengths:

SELECT DISTINCT * FROM MDR1.linkLength ORDER BY `level`

We use the DISTINCT keyword here since this small table is replicated on each node, so without DISTINCT we would get ten times the same result.

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