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rajfal
/ soil-frequency-across-years.cql
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March 2, 2018 06:06
Summarize soil issue frequency across years
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| UNWIND [2007,2008, 2009, 2010, 2011, 2012, 2013, 2014] as years | |
| MATCH (y:Year {year: years})-[:HAS_MONTH]->(m:Month )-[:HAS_DAY]->(d:Day)<-[r:REPORTED_ON]-()-[*1..2]-(n:Soil_Issue) | |
| WITH y.year as Y, collect( n.type) as Issues | |
| RETURN Y, | |
| size(filter(x IN Issues WHERE x= 'Acidification')) as Acidification, | |
| size(filter(x IN Issues WHERE x= 'Compaction')) as Compaction, | |
| size(filter(x IN Issues WHERE x= 'Erosion')) as Erosion, | |
| size(filter(x IN Issues WHERE x= 'HeavyMetalContamination')) as HeavyMetalContamination, | |
| size(filter(x IN Issues WHERE x= 'HighAlkalinity')) as HighAlkalinity, | |
| size(filter(x IN Issues WHERE x= 'Impermeable')) as Impermeable, |