using System;

using unirest_net.http;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        //Setup data where yi = effect sizes, se = standard errors

        double[] yi = {0.45, 0.23, 0.67, 0.32, 0.54};

        double[] se = {0.05, 0.34, 0.04, 0.10, 0.22};

        //Convert C# arrays into text for calling the R-based API

        //We built the API using the plumber R package: https://www.rplumber.io/

        string yi_str = "c(" + string.Join(",", yi) + ")";

        string se_str = "c(" + string.Join(",", se) + ")";

        string api_url = "http://24.199.68.212/meta_analysis/?" + 

            "yi=" + yi_str + "&se=" + se_str;

        Console.WriteLine("API URL: " + api_url);

        Console.WriteLine();

        //Make the API request and parse the JSON object

        //The API runs a random-effects meta-analysis using the metafor R package

        var response = Unirest.get(api_url).asJson<string>().Body;

        dynamic json = JsonConvert.DeserializeObject(response);

​

        //Write results from the API output to the console

        //These outputs could be used within the OSRG's existing C# codebase

        Console.WriteLine("b:     " + json.b[0]);

        Console.WriteLine("SE:    " + json.se[0]);

        Console.WriteLine("p:     " + json.pval[0]);

        Console.WriteLine("Tau^2: " + json.tau2[0]);

        Console.WriteLine("I^2:   " + json.I2[0]);

    }

}