Minor changes

src/lib/FloatCdf.re

@@ -11,7 +11,7 @@ let logNormal = (mean: float, std: float) => {
   Js.Float.(
     {
       let nMean = toPrecisionWithPrecision(Js.Math.log10(mean), ~digits=4);
-      let nStd = toPrecisionWithPrecision(std, ~digits=2);
+      let nStd = toPrecisionWithPrecision(Js.Math.log10(std), ~digits=2);
       {j|lognormal($(nMean), $(nStd))|j};
     }
   );

src/lib/Prop.re

@@ -58,7 +58,14 @@ module Value = {
     | TimeLimitedDomainCdfLazy(r) =>
       let timeLimited = r(CdfLibrary.Distribution.fromString(_, 1000));
       let cdf = timeLimited.limitedDomainCdf.distribution;
-      <> <Chart height=100 data={cdf |> Types.toJs} /> </>;
+      <>
+        <Chart height=100 data={cdf |> Types.toJs} />
+        <Chart
+          height=100
+          data={cdf |> CdfLibrary.Distribution.toPdf |> Types.toJs}
+        />
+        {FloatCdf.logNormal(50., 20.) |> ReasonReact.string}
+      </>;
     | TimeLimitedDomainCdf(r) =>
       let cdf: Types.distribution = r.limitedDomainCdf.distribution;
       <> <Chart height=100 data={cdf |> Types.toJs} /> </>;

src/models/EAFunds.re

@@ -122,8 +122,14 @@ module Model = {
         ),
       )
     | CHANCE_OF_EXISTENCE =>
-      let yearDiff = MomentRe.diff(dateTime, currentDateTime, `days) /. 365.;
-      Prop.Value.Probability((100. -. yearDiff) /. 100.);
+      let lazyDistribution = r =>
+        TimeLimitedDomainCdf.make(
+          ~timeVector={zero: currentDateTime, unit: `years},
+          ~distribution=r(FloatCdf.logNormal(10., 2.)),
+          ~probabilityAtMaxX=0.7,
+          ~maxX=`x(200.),
+        );
+      Prop.Value.TimeLimitedDomainCdfLazy(lazyDistribution);
     };
   };
 };

src/models/GlobalCatastrophe.re

@@ -3,7 +3,7 @@ module Model = {
     let lazyDistribution = r =>
       TimeLimitedDomainCdf.make(
         ~timeVector={zero: currentDateTime, unit: `years},
-        ~distribution=r("normal(50,30)"),
+        ~distribution=r(FloatCdf.logNormal(20., 3.)),
         ~probabilityAtMaxX=0.7,
         ~maxX=`x(200.),
       );