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CuebStories

Project description

CubeStories

CubeStories allows querying Linked Open Statistical by Providing parameters in a form of Python dictionaries(JSON).

High-level encapsulation of datastories librabry DataStories repo

Installation

pip install cubestories

Requirements will be automatically installed with package

Import/Usage

from CubeStories import *

Usage

Library implements 3 artifacts required for Data analysis

  • Metadata Parameters - metadata required for SPARQL queries
    {
    "sparqlEndPointUrl":"[SPARQL ENDPOINT URL]", #endpoint of url
    "jsonMetaDataFile":"[directory of JSON file with metadata]" #JSON file with metadata
}
  • Cube Parameters - what properties of cube to be retrieved from endpoint(based on JSON file provided in Metadata Parameters)
    {
    "cube":"One name of Cube ",  
    "dimensions":["List of dimensions"], 
    "measures":["List of Measures"], 
    "hierdimensions": 
        {"DimKey":{ 
            "selected_level":"levelkey" 
            }
        }
  • Analysis Pipeline - JSON-based list of pattern analysis to be performed. Each Pattern will have such template provided
{ 
    "PatternName": {  

        "parameter1":["list of values"],
        "parameter2":"value"
    },
    .
    .
    .
    "PatternName":{
        "pattern1":"pattern1 value",
        "pattern2":["list of values"]
    }
}

JSON Template - one of the metadata parameters

{
    "cube_key" : {
		"title":"title of cube",
		"dataset_structure":"URI for cube structure",
        "dimensions":{
            "dimension_key":{
                "dimension_title":"Title of diemnsion",
                "dimension_url":"URI for dimension",
                "dimension_prefix":"URI for dimension's values"
            },
            "dimension_key":{
                "dimension_title":"Title of diemnsion",
                "dimension_url":"URI for dimension",
                "dimension_prefix":"URI for dimension's values"
            }
		},
		"hierarchical_dimensions":{
			"dimension_key":{
                "dimension_title":"Title of diemnsion",
                "dimension_url":"URI for dimension",
                "dimension_prefix":"URI for dimension's values",
				"dimension_levels":
				{
					"level_key":"integer(granularity level)",
					"level_key":"integer(granularity level)"

				}
			}
		},
		"measures":{
			"measure_key":{
			"measure_title":"Title of measure",
			"measure_url":"URI for measure"
			}

		}
    }
}

Patterns Description

Comments after ## are just for descriptive purposes. REMOVE THEM WHEN SPECIFYING PIPELINE

MCounting

Measurement and Counting Arithemtical operators applied to whole dataset - basic information regarding data

Attributes

"MeasCount":{
    "count_type":"count value"
}
Parameter Type Description
count_type String Type of Count to perform

Output

Based on count_type value

Count_type Description
raw data without any analysis performed
sum sum across all numeric columns
mean mean across all numeric columns
min minimum values from all numeric columns
max maximum values from all numeric columns
count amount of records

LTable

LeagueTable - sorting and extraction specific amount of records

Attributes

"LeagueTab":{  #League Table 
       "columns_to_order":["list of columns to order by"],
       "order_type":"type of order by",
       "number_of_records":5 #amount of records to retrieve
   }
Parameter Type Description
columns_to_order list[String] Set of columns to order by
order_type String Type of order (asc/desc)
number_of_records Integer Amount of records to retrieve

Output

Based on sort_type value

Sort_type Description
asc ascending order based on columns provided in columns_to_order
desc descending order based on columns provided in columns_to_order

InternalComparison

InternalComparison - comparison of numeric values related to textual values within one column

Attributes

 "IntComp":{
     "dim_to_compare":"dimension to compare",
     "meas_to_compare":"measure to compare",
     "comp_type":"comparison type"
 }
Parameter Type Description
dim_to_compare String Dimension, which values will be investigated
meas_to_compare String Measure, which numeric values related to dim_to_compare will be processed
comp_type String Type of comparison to perform

Output

Independent from comp_type selected, output data will have additional column with numerical column meas_to_compare processed in specific way.

Available types of comparison comp_type

Comp_type Description
diffmax difference with max value related to specific textual value
diffmean difference with arithmetic mean related to specific textual values
diffmin difference with minimum value related to specific textual value

ProfileOutliers

ProfileOutliers - detection of unusual values within data (anomalies)

Attributes

    "ProfOut":{
        "display_type":"Gender"
    }
Parameter Type Description
display_type String What information display are bound to display (with/without anomalies)

Output

Pattern analysis using python scipy library will perform quick exploration in serach of unusual values within data.

Based on display_type parameter data will be displayed with/without ddetected unusual values.

Available types of displaying display_type

display_type Description
outliers_only returns rows from dataset where unusual values were detected
without_outliers returns dataset with excluded rows where unusual values were detected

DissectFactors

DissectFactors - decomposition of data based on values in dim_to_dissect

Attributes

    "DissFact":{
        "dim_to_dissect":"dimension to dissect"
    }
Parameter Type Description
dim_to_dissect String Based on which dimension data should be decomposed

Output

As an output, data will be decomposed in a form of a dictionary, where each subset have values only related to specific value. Dictionary of subdataset will be constructed as a series of paiers where key per each susbet will values from dim_to_dissect and this key value will be data, where yhis key value was occurring.

HighlightContrast

HighlightContrast - partial difference within values related to one textual column

Attributes

"HighCont":{
    "dim_to_contrast":"dimension to contrast",
    "meas_to_contrast":"measure to contrast",
    "contrast_type":"type of contrast"
}
Parameter Type Description
dim_to_contrast String Textual column, from which values will be contrasted
meas_to_contrast String Numerical column, which values are contrasted
contrast_type String Type of contrast to present

Output

Independent from contrast_type selected, output data will have additional column with numerical column meas_to_contrast processed in specific way.

Available types of comparison contrast_type

Contrast_type Description
partofwhole difference with max value related to specific textual value
partofmax difference with arithmetic mean related to specific textual values
partofmin difference with minimum value related to specific textual value

StartBigDrillDown

StartBigDrillDown - data retrieval from multiple hierachical levels.

This pattern can be only applied to data not stored already in DataFrame

Attributes

"StBigDrillDown":{
    "hierdim_drill_down":{ #Hierarchical dimension with levels to be retrieved
        "DimKey":["dimlevel1key","dimlevel2key","dimlevel3key"] #Pair [HierarchicalDimensionKey]:[List of Levels to retrieved]
        }
}
Parameter Type Description
hierdim_drill_down dict{hierdim:list[str]} Hierarchical dimension with list of hierarchy levels to inspect

Output

As an output, data will be retrieved in a form of a dictionary, where each dataset will be retrieved from different hierachy level. List will be provided inhierdim_drill_down. Hierachy levels provided by in parameter will automatically sorted in order from most general to most detailed level based on metadata provided.

StartSmallZoomOut

StartSmallZoomOut - data retrieval from multiple hierachical levels.

This pattern can be only applied to data not stored already in DataFrame

Attributes

"StSmallZoomOut":{
    "hierdim_zoom_out":{ #Hierarchical dimension with levels to be retrieved
        "DimKey":["dimlevel1key","dimlevel2key","dimlevel3key"] #Pair [HierarchicalDimensionKey]:[List of Levels to retrieved]
        }
}
Parameter Type Description
hierdim_zoom_out dict{hierdim:list[str]} Hierarchical dimension with list of hierarchy levels to inspect

Output

As an output, data will be retrieved in a form of a dictionary, where each dataset will be retrieved from different hierachy level. List will be provided inhierdim_zoom_out. Hierachy levels provided by in parameter will automatically sorted in order from most detaile to most general level based on metadata provided.

AnalysisByCategory

AnalysisByCategory - ecomposition of data based on values in dim_for_category with analysis performed on each susbet

Attributes

"AByCategory":{
    "dim_for_category":"dimension for categorisation",
    "meas_to_analyse":"measure to perform analysis",
    "analysis_type":"type of analysis"
}
Parameter Type Description
dim_for_category String Dimension, based on which input data will be categorised
meas_to_analyse String Measure, which will be analysed
analysis_type String Type of analysis to perform

Output

As an output, data will be decomposed in a form of a dictionary, where each subset have values only related to specific value. Such subset will get analysed based on analysis_type parameter

Available types of analysis analysis_type

Analysis_type Description
min Minimum per each category
max Maximum per each category
mean Arithmetical mean per each category
sum Total value from each category

ExploreIntersection

Attributes

"ExpInt":{
    "dim_to_explore":"dimension to explroe across cubes"
}
Parameter Type Description
dim_to_explore String Dimension, which existence within enpoint is going to be investigated

Output

Pattern will return series of datasets, where each will represent occurence of dim_to_explore in one cube

NarratingChangeOverTime

Presenting difference between 2 numerical properties of data

Attributes

"NarrChangeOT":{
    "meas_to_narrate":["list of two dimensions to present change"],
    "narr_type":"type of narration"
}
Parameter Type Description
meas_to_narrate String Set of 2 measures, which change will be narrated
narr_type String Type of narration to perform

Output

Independent from narr_type selected, output data will have additional column with numerical values processed in specific way.

Available types of analysis narr_type

Narr_type Description
percchange Percentage change between first nad second property
diffchange Quantitive change between first and second property

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