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Fusion 5.12
    Fusion 5.12

    QQPlot

    The qqplot function calculates percentiles (1-99) for two sample sets, based on queries, so they can be compared visually. The qqplot function takes four parameters:

    1. The numeric field for which to calculate the percentiles

    2. The Lucene/Solr query for the sample set A

    3. The Lucene/Solr query for the sample set B

    4. The sample size for both sample sets

    Sample syntax

    select qqplot(sepal_width_d, "species_s:versicolor", "species_s:virginica", 150) as quantiles,
       quantiles_estimate_a,
       quantiles_estimate_b
from iris

    Result set

    The result set for the qqplot function contains one row for each percentile 1-99. The qqplot function returns the percentile (1-99). The quantiles_estimate_a and quantiles_estimate_b fields contain the estimated percentile value, for sample sets A and B, at each percentile.

    Sample result set in Apache Zeppelin

    Sample result set

    Visualization

    The qqplot function can be visualized by plotting the percentile (1-99) on the x-axis and the quantiles_estimate_a and quantiles_estimate_b columns on the y-axis.

    Sample visualization of percentiles in Apache Zeppelin

    Sample visualization