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

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

Comparison:

Article Title: Short occupational exposure to glyphosate and its biomonitoring via urinary levels of glyphosate and metabolite AMPA (Amino-MethylPhosphonic acid), in Italian vineyard workers
Article Snippet: .. Furthermore, the STATA command “kdensity, normal” was used to produce kernel density estimates and graph the result; “normal” requests that a normal density be overlaid on the density estimate for comparison. ..

other:

Article Title: Biomass fuel use for cooking in Nepalese families and child cognitive abilities, results from a community-based study.
Article Snippet: We graphically present the distribution of the WPPSI-IV FSIQ separately for the group of children living in homes with biomass fuel use or not in smoothed density plots using univariate kernel density estimation (kdensity in Stata).

Article Title: STEM learning communities promote friendships but risk academic segmentation
Article Snippet: Next, we plot the density of the running variable using STATA’s user-written rddensity command [10].

Article Title: Investigating the causal effects of COVID-19 vaccination on the adoption of protective behaviors in Japan: Insights from a fuzzy regression discontinuity design
Article Snippet: All statistical analyses were executed using the “rddensity,” “rdrobust,” and “rdplot” commands [ , ] within Stata 17 (Stata Corp, College Station, TX, USA).

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

Clinical Proteomics:

Article Title: Contributions of elevated CRP, hyperglycaemia, and type 2 diabetes to cardiovascular risk in the general population: observational and Mendelian randomization studies
Article Snippet: .. The population distribution of plasma CRP by diabetes-status and the population distribution of plasma glucose by CRP concentrations < or ≥ 2 mg/L were plotted using the kdensity function in Stata. ..

Generated:

Article Title: Psychiatrist and Nonpsychiatrist Physician Network Breadth in Dual Eligible Special Needs Plans.
Article Snippet: Methods: MA plan provider network data were merged with plan service areas and a nationwide provider database to form a data set with 843 observations on networks subclassified by state and network type (D-SNP or other MA) covering 42 U.S. states andWashington, D.C. Network breadth measured the in-network fraction of clinically active Medicare-accepting psychiatrists and other physician providers in the plans’ service areas in each state.. Regression analyses were used to compare psychiatrist and nonpsychiatrist network breadth and psychiatristnonpsychiatrist breadth differences between D-SNPs and other MA plans, after adjustment for state-level differences.. Results: Mean psychiatrist network breadth was 0.319 in D-SNPs and 0.299 in other MA plans, and nonpsychiatrist network breadth was 0.346 in D-SNPs and 0.358 in other MA plans.

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