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kdensity command  (STATA Corporation)


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    STATA Corporation kdensity command
    Distribution of willingness to pay for in-situ soil nutrition surveillance technology. The nonparametric kernel density estimation was performed using the <t>kdensity</t> command in Stata. The distribution is highly skewed to the right indicating a great need for an alternative soil testing method. yy = 1 means that the first and second responses to the first and the second bids were both “yes”; yn = 2 means that the first and second responses to the first and the second bids were “yes” and “no” respectively; and ny = 3 means that the first and second responses to the first and the second bids were “no” and “yes” respectively; and nn = 4 means that the first and second responses to the first and the second bids were both “no” (see ESI 2 ).
    Kdensity Command, supplied by STATA Corporation, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/command+kdensity/kdensity+command/pmc11422606-291-9-12
    Average 90 stars, based on 1 article reviews
    kdensity command - by Bioz Stars, 2026-09
    90/100 stars

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    1) Product Images from "Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: Evidence from Central Kenya"

    Article Title: Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: Evidence from Central Kenya

    Journal: Heliyon

    doi: 10.1016/j.heliyon.2024.e37568

    Distribution of willingness to pay for in-situ soil nutrition surveillance technology. The nonparametric kernel density estimation was performed using the kdensity command in Stata. The distribution is highly skewed to the right indicating a great need for an alternative soil testing method. yy = 1 means that the first and second responses to the first and the second bids were both “yes”; yn = 2 means that the first and second responses to the first and the second bids were “yes” and “no” respectively; and ny = 3 means that the first and second responses to the first and the second bids were “no” and “yes” respectively; and nn = 4 means that the first and second responses to the first and the second bids were both “no” (see ESI 2 ).
    Figure Legend Snippet: Distribution of willingness to pay for in-situ soil nutrition surveillance technology. The nonparametric kernel density estimation was performed using the kdensity command in Stata. The distribution is highly skewed to the right indicating a great need for an alternative soil testing method. yy = 1 means that the first and second responses to the first and the second bids were both “yes”; yn = 2 means that the first and second responses to the first and the second bids were “yes” and “no” respectively; and ny = 3 means that the first and second responses to the first and the second bids were “no” and “yes” respectively; and nn = 4 means that the first and second responses to the first and the second bids were both “no” (see ESI 2 ).

    Techniques Used: In Situ

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    Distribution of willingness to pay for in-situ soil nutrition surveillance technology. The nonparametric kernel density estimation was performed using the kdensity command in Stata. The distribution is highly skewed to the right indicating a great need for an alternative soil testing method. yy = 1 means that the first and second responses to the first and the second bids were both “yes”; yn = 2 means that the first and second responses to the first and the second bids were “yes” and “no” respectively; and ny = 3 means that the first and second responses to the first and the second bids were “no” and “yes” respectively; and nn = 4 means that the first and second responses to the first and the second bids were both “no” (see ESI 2 ).

    Journal: Heliyon

    Article Title: Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: Evidence from Central Kenya

    doi: 10.1016/j.heliyon.2024.e37568

    Figure Lengend Snippet: Distribution of willingness to pay for in-situ soil nutrition surveillance technology. The nonparametric kernel density estimation was performed using the kdensity command in Stata. The distribution is highly skewed to the right indicating a great need for an alternative soil testing method. yy = 1 means that the first and second responses to the first and the second bids were both “yes”; yn = 2 means that the first and second responses to the first and the second bids were “yes” and “no” respectively; and ny = 3 means that the first and second responses to the first and the second bids were “no” and “yes” respectively; and nn = 4 means that the first and second responses to the first and the second bids were both “no” (see ESI 2 ).

    Article Snippet: The nonparametric kernel density estimation was performed using the kdensity command in Stata.

    Techniques: In Situ