Summary

(No information yet)

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unknown (from Weka repository)

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arff slurped Weka

Attribute Types

Integer,Floating Point,String

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# Instances: 36 / # Attributes: 23
HDF5 (21.1 KB) XML CSV ARFF LibSVM Matlab Octave

Original Data Format

arff

Name

pasture-production

Version mldata

0

Comment

Pasture Production

Data source: Dave Barker AgResearch Grasslands Palmerston North New Zealand

The objective was to predict pasture production from a variety of biophysical factors. Vegetation and soil variables from areas of grazed North Island hill country with different management (fertilizer application/stocking rate) histories (1973-1994) were measured and subdivided into 36 paddocks. Ninteen vegetation (including herbage producution); soil chemical, physical and biological; and soil water variables were selected as potentially useful biophysical indicators.

Number of Instances: 36

Attribute Information: 1. fertiliser - fertiliser used - enumerated 2. slope - slope of the paddock - integer 3. aspect-dev-NW - the deviation from the north-west - integer 4. OlsenP - integer 5. MinN - integer 6. TS - integer 7. Ca-Mg - calcium magnesium ration - real 8. LOM - soil lom (g/100g) - real 9. NFIX-mean - a mean calculation - real 10. Eworms-main-3 - main 3 spp earth worms per g/m2 - real 11. Eworms-No-species - number of spp - integer 12. KUnSat - mm/hr - real 13. OM - real 14. Air-Perm - real 15. Porosity - real 16. HFRG-pct-mean - mean percent - real 17. legume-yield - kgDM/ha - real 18. OSPP-pct-mean - mean percent - real 19. Jan-Mar-mean-TDR - real 20. Annual-Mean-Runoff - in mm - real 21. root-surface-area - m2/m3 - real 22. Leaf-P - ppm - real Class: 23. pasture-prod-class - pasture production categorisation - enumerated

Class Distribution: LO - 12 MED - 12 HI - 12

Names

fertiliser,slope,aspect-dev-NW,OlsenP,MinN,TS,Ca-Mg,LOM,NFIX-mean,Eworms-main-3,

Types

1. nominal:LL,LN,HN,HH
2. numeric
3. numeric
4. numeric
5. numeric
6. numeric
7. numeric
8. numeric
9. numeric
10. numeric

Data (first 10 data points)

fert...	slope	aspe...	OlsenP	MinN	TS	Ca-Mg	LOM	NFIX...	Ewor...	...
LL	25	37	8	235	235	3.64	2.11	0.061	129.9	...
LL	23	17	12	218	280	3.34	2.26	0.069	138.5	...
LL	20	18	9	243	285	3.34	1.99	0.062	109.5	...
LL	27	35	10	204	440	3.34	2.31	0.073	141.3	...
LL	8	105	8	327	455	3.64	1.3	0.067	128.0	...
LL	13	172	9	222	420	3.34	1.62	0.105	113.7	...
LL	16	68	8	303	515	3.48	3.51	0.098	92.3	...
LL	17	112	10	310	475	3.8	2.9	0.085	30.5	...
LN	20	25	9	199	410	3.2	1.77	0.02	43.3	...
LN	26	27	7	202	210	3.2	2.31	0.03	115.8	...
...	...	...	...	...	...	...	...	...	...	...

Description

A jarfile containing 6 agricultural datasets obtained from agricultural researchers in New Zealand (agridatasets.jar, 31,200 Bytes).

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revision 1

by mldata on 2010-11-06 09:57

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