{
    "profile": "tabular-data-package",
    "name": "rose-aroma-naturegenetics2018-treatment-group-mean-sem-report-datapackage",
    "title": "Metabolite Univariate Group Comparison 2 variables Data Package",
    "homepage" : "https://github.com/proccaserra",
    "version": "1.0",
    "keywords": [
        "metabolite",
        "treatment",
        "sample mean",
        "standard error of the mean",
        "STATO ontology",
        "ISA format",
        "EMBL-EBI Metabolights"
    ],
    "licenses": [{
        "path": "https://creativecommons.org/publicdomain/zero/1.0/",
        "name": "CC0_1.0",
        "version": "1.0",
        "id": "CC0 1.0"
    }],
    "sources": [{
        "title": "University of Oxford e-Research Centre",
        "path": "http://oerc.ox.ac.uk"
    }],
    "contributors": [{
        "title": "Philippe Rocca-Serra",
        "email": "proccaserra@gmail.com",
        "path": "http://www.stato-ontology.org"
    }],
    "maintainers": [{
        "title": "Philippe Rocca-Serra",
        "email": "proccaserra@gmail.com",
        "path": "http://www.stato-ontology.org"
    }],
    "publishers": [{
        "title": "Philippe Rocca-Serra",
        "email": "proccaserra@gmail.com",
        "path": "http://www.stato-ontology.org"
    }],
    "resources": [{
        "name": "rose-aroma-naturegenetics2018-treatment-group-mean-sem-report-datapackage",
        "title": "reporting treatment group mean and sem",
        "encoding":"utf-8",
        "profile": "tabular-data-resource",
        "path": "rose-aroma-naturegenetics2018-treatment-group-mean-sem-report-table-example.csv",
        "schema": {
            "fields": [
                {
                "name": "chemical_name",
                "title": "metabolite name",
                "description": "the field Metabolite Identity is meant to hold information such a metabolite database identifier",
                "format": "default",
                "type": "string",
                "rdfType": "",
                "constraints": { "required": true }
                },
            {
                "name": "inchi",
                "title": "inchi string",
                "description": "the field Metabolite Identity is meant to hold information such a metabolite database identifier",
                "format": "default",
                "type": "string",
                "rdfType": "http://edamontology.org/format_1197",
                "constraints": {
                    "required": true,
                    "pattern": "/^((InChI=)?[^J][0-9a-z+\\-\\(\\)\\\/,]+)$/ig"
                }
            },
            {
                "name": "chebi_identifier",
                "title": "database identifier",
                "description": "an identifier from chemical entity of biological interest database/ontology",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/OBI_0002110",
                "constraints": {
                    "required": true,
                    "pattern": "CHEBI:\\d+"
                }
            },
            {
                "name": "var1_levels",
                "title": "levels for variable 1",
                "description": "discrete levels of an independent variable",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000265",
                "constraints": {
                    "required": true
                }
            },
            {
                "name": "var1_uri",
                "title": "a resolvable uri for the levels of variable #1",
                "description": "a uri for a discrete level of an independent variable",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/OBI_0002110",
                "constraints": {
                    "required": false
                }
            },
            {
                "name": "var2_levels",
                "title": "levels for variable 2",
                "description": "discrete levels of another independent variable",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000265",
                "constraints": {
                    "required": true
                }
            },
            {
                "name": "var2_uri",
                "title": "a resolvable uri for the levels of variable #2",
                "description": "a uri for a discrete level of an independent variable",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/OBI_0002110",
                "constraints": {
                    "required": false
                }
            },
            {
                "name": "treatment",
                "title": "factor level combination",
                "description": "a treatment group defined as combination of independent variable factor levels",
                "format": "default",
                "type": "string",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000264",
                "constraints": {
                    "required": true
                }
            },
            {
                "name": "sample_size",
                "title": "sample size",
                "description": "statistical sample size is a count evaluating the number of individual experimental units in a treatment group",
                "format": "default",
                "type": "integer",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000088",
                "constraints": {
                    "required": false
                }
            },
            {
                "name": "sample_mean",
                "title": "sample mean",
                "description": "the sample mean is a measure of dispersion of the observations made on the sample and provides an unbias estimate of the population mean",
                "format": "default",
                "type": "number",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000401",
                "constraints": {"required": true}
            },
            {
                "name": "unit",
                "title": "unit",
                "description": "the unit associated with the sample mean",
                "format": "default",
                "type": "string",
                "rdfType": "",
                "constraints": {"required": false}
            },
            {
                "name": "sem",
                "title": "standard error of the mean",
                "description": "The standard error of the mean (SEM) is data item denoting the standard deviation of the sample-mean's estimate of a population mean. It is calculated by dividing the sample standard deviation (i.e., the sample-based estimate of the standard deviation of the population) by the square root of n , the size (number of observations) of the sample.",
                "format": "default",
                "type": "number",
                "rdfType": "http://purl.obolibrary.org/obo/STATO_0000037",
                "constraints": {"required": false}
            }
        ]
        }
    }]
    ,
    "missingValues": ["","-","NA"]
}