diff --git a/__tests__/Foo/Foo__Test.re b/__tests__/Foo/Foo__Test.re
index c613d9db..2ed71572 100644
--- a/__tests__/Foo/Foo__Test.re
+++ b/__tests__/Foo/Foo__Test.re
@@ -3,10 +3,14 @@ open Expect;
 
 let shape: DistTypes.xyShape = {xs: [|1., 4., 8.|], ys: [|8., 9., 2.|]};
 
-let makeTest = (str, item1, item2) =>
-  test(str, () =>
-    expect(item1) |> toEqual(item2)
-  );
+let makeTest = (~only=false, str, item1, item2) =>
+  only
+    ? Only.test(str, () =>
+        expect(item1) |> toEqual(item2)
+      )
+    : test(str, () =>
+        expect(item1) |> toEqual(item2)
+      );
 
 describe("Shape", () => {
   describe("Continuous", () => {
@@ -77,12 +81,20 @@ describe("Shape", () => {
       {
         let continuous =
           make({xs: [|1., 4., 8.|], ys: [|0.1, 5., 1.0|]}, `Stepwise);
-        continuous |> toLinear |> getShape;
+        continuous |> toLinear |> E.O.fmap(getShape);
       },
+      Some({
+        xs: [|1.00007, 1.00007, 4.0, 4.00007, 8.0, 8.00007|],
+        ys: [|0.0, 0.1, 0.1, 5.0, 5.0, 1.0|],
+      }),
+    );
+    makeTest(
+      "toLinear",
       {
-        xs: [|1.00007, 4.0, 4.00007, 8.0, 8.00007|],
-        ys: [|0.1, 0.1, 5.0, 5.0, 1.0|],
+        let continuous = make({xs: [|0.0|], ys: [|0.3|]}, `Stepwise);
+        continuous |> toLinear |> E.O.fmap(getShape);
       },
+      Some({xs: [|0.0|], ys: [|0.3|]}),
     );
     makeTest(
       "integralXToY",
@@ -99,7 +111,13 @@ describe("Shape", () => {
       T.Integral.xToY(~cache=None, 100.0, continuous),
       47.5,
     );
-    makeTest("integralSum", T.Integral.sum(~cache=None, continuous), 47.5);
+    makeTest(
+      "integralEndY",
+      continuous
+      |> T.scaleToIntegralSum(~intendedSum=1.0)
+      |> T.Integral.sum(~cache=None),
+      1.0,
+    );
   });
 
   describe("Discrete", () => {
@@ -166,7 +184,7 @@ describe("Shape", () => {
       T.Integral.xToY(~cache=None, 6.0, discrete),
       0.9,
     );
-    makeTest("integralSum", T.Integral.sum(~cache=None, discrete), 1.0);
+    makeTest("integralEndY", T.Integral.sum(~cache=None, discrete), 1.0);
   });
 
   describe("Mixed", () => {
@@ -229,6 +247,7 @@ describe("Shape", () => {
       T.xToY(7., mixed),
       {discrete: 0.0, continuous: 0.04095904095904096},
     );
+    makeTest("integralEndY", T.Integral.sum(~cache=None, mixed), 1.0);
     makeTest(
       "scaleBy",
       T.scaleBy(~scale=2.0, mixed),
@@ -254,9 +273,10 @@ describe("Shape", () => {
       T.Integral.get(~cache=None, mixed),
       Distributions.Continuous.make(
         {
-          xs: [|1.00007, 3., 4., 4.00007, 7., 8., 8.00007, 14.|],
+          xs: [|1.00007, 1.00007, 3., 4., 4.00007, 7., 8., 8.00007, 14.|],
           ys: [|
-            0.15,
+            0.0,
+            0.0,
             0.15,
             0.18496503496503497,
             0.4349674825174825,
@@ -270,4 +290,76 @@ describe("Shape", () => {
       ),
     );
   });
+
+  describe("Mixed", () => {
+    open Distributions.DistPlus;
+    let discrete: DistTypes.xyShape = {
+      xs: [|1., 4., 8.|],
+      ys: [|0.3, 0.5, 0.2|],
+    };
+    let continuous =
+      Distributions.Continuous.make(
+        {xs: [|3., 7., 14.|], ys: [|0.058, 0.082, 0.124|]},
+        `Linear,
+      )
+      |> Distributions.Continuous.T.scaleToIntegralSum(~intendedSum=1.0);
+    let mixed =
+      MixedShapeBuilder.build(
+        ~continuous,
+        ~discrete,
+        ~assumptions={
+          continuous: ADDS_TO_CORRECT_PROBABILITY,
+          discrete: ADDS_TO_CORRECT_PROBABILITY,
+          discreteProbabilityMass: Some(0.5),
+        },
+      )
+      |> E.O.toExn("");
+    let distPlus =
+      Distributions.DistPlus.make(
+        ~shape=Mixed(mixed),
+        ~guesstimatorString=None,
+        (),
+      );
+    makeTest("minX", T.minX(distPlus), Some(1.0));
+    makeTest("maxX", T.maxX(distPlus), Some(14.0));
+    makeTest(
+      "xToY at 4.0",
+      T.xToY(4., distPlus),
+      {discrete: 0.25, continuous: 0.03196803196803197},
+    );
+    makeTest(
+      "xToY at 0.0",
+      T.xToY(0., distPlus),
+      {discrete: 0.0, continuous: 0.028971028971028972},
+    );
+    makeTest(
+      "xToY at 5.0",
+      T.xToY(7., distPlus),
+      {discrete: 0.0, continuous: 0.04095904095904096},
+    );
+    makeTest("integralEndY", T.Integral.sum(~cache=None, distPlus), 1.0);
+    makeTest(
+      "integral",
+      T.Integral.get(~cache=None, distPlus) |> T.toContinuous,
+      Some(
+        Distributions.Continuous.make(
+          {
+            xs: [|1.00007, 1.00007, 3., 4., 4.00007, 7., 8., 8.00007, 14.|],
+            ys: [|
+              0.0,
+              0.0,
+              0.15,
+              0.18496503496503497,
+              0.4349674825174825,
+              0.5398601398601399,
+              0.5913086913086913,
+              0.6913122927072927,
+              1.0,
+            |],
+          },
+          `Linear,
+        ),
+      ),
+    );
+  });
 });
\ No newline at end of file
diff --git a/showcase/entries/Continuous.re b/showcase/entries/Continuous.re
index 585d258c..1f2adebf 100644
--- a/showcase/entries/Continuous.re
+++ b/showcase/entries/Continuous.re
@@ -1,12 +1,18 @@
 // "mm(floor(uniform(30,35)), normal(50,20), [.25,.5])",
+// "mm(floor(normal(28,4)), normal(32,2), uniform(20,24), [.5,.2,.1])",
+let timeVector: TimeTypes.timeVector = {
+  zero: MomentRe.momentNow(),
+  unit: `years,
+};
+
 let timeDist =
   DistPlusIngredients.make(
-    ~guesstimatorString="mm(floor(normal(30,2)), normal(39,1), [.5,.5])",
+    ~guesstimatorString="mm(floor(10 to 15), 10 to 11, [.9,.1])",
     ~domain=Complete,
-    ~unit=TimeDistribution({zero: MomentRe.momentNow(), unit: `days}),
+    ~unit=DistTypes.TimeDistribution(timeVector),
     (),
   )
-  |> DistPlusIngredients.toDistPlus(~sampleCount=1000);
+  |> DistPlusIngredients.toDistPlus(~sampleCount=5000, ~outputXYPoints=1000);
 
 let distributions = () =>
   <div>
diff --git a/src/components/charts/DistPlusPlot.re b/src/components/charts/DistPlusPlot.re
index d6f9d820..87a3ade8 100644
--- a/src/components/charts/DistPlusPlot.re
+++ b/src/components/charts/DistPlusPlot.re
@@ -103,9 +103,16 @@ let make = (~distPlus: DistTypes.distPlus) => {
              |> E.Float.with2DigitsPrecision
              |> ReasonReact.string}
           </th>
+          <th className="px-4 py-2 border ">
+            {distPlus
+             |> Distributions.DistPlus.T.Integral.sum(~cache=None)
+             |> E.Float.with2DigitsPrecision
+             |> ReasonReact.string}
+          </th>
         </tr>
       </tbody>
     </table>
     <div />
   </div>;
+  // chart
 };
\ No newline at end of file
diff --git a/src/components/charts/DistributionPlot/distPlotD3.js b/src/components/charts/DistributionPlot/distPlotD3.js
index d737753a..151f79ff 100644
--- a/src/components/charts/DistributionPlot/distPlotD3.js
+++ b/src/components/charts/DistributionPlot/distPlotD3.js
@@ -320,7 +320,7 @@ export class CdfChartD3 {
       function mouseover() {
         const mouse = d3.mouse(this);
         hoverLine.attr('opacity', 1).attr('x1', mouse[0]).attr('x2', mouse[0]);
-        const xValue = xScale.invert(mouse[0]).toFixed(2);
+        const xValue = xScale.invert(mouse[0]);
         // This used to be here, but doesn't seem important
         // const xValue = (mouse[0] > range[0] && mouse[0] < range[1]) ? : 0;
         context.attrs.onHover(xValue);
diff --git a/src/distributions/DistPlusIngredients.re b/src/distributions/DistPlusIngredients.re
index 417d8fe4..b08fcda1 100644
--- a/src/distributions/DistPlusIngredients.re
+++ b/src/distributions/DistPlusIngredients.re
@@ -8,22 +8,27 @@ let make =
   unit,
 };
 
-let toDistPlus = (~sampleCount, t: distPlusIngredients): option(distPlus) => {
+let toDistPlus =
+    (~sampleCount=1000, ~outputXYPoints=1000, t: distPlusIngredients)
+    : option(distPlus) => {
   let shape =
     Guesstimator.stringToMixedShape(
       ~string=t.guesstimatorString,
       ~sampleCount,
+      ~outputXYPoints,
       (),
-    )
-    |> E.O.bind(_, Distributions.Mixed.clean);
-  shape
-  |> E.O.fmap(shape =>
-       Distributions.DistPlus.make(
-         ~shape,
-         ~domain=t.domain,
-         ~unit=t.unit,
-         ~guesstimatorString=None,
-         (),
-       )
-     );
+    );
+  Js.log2("Line 21 with shape:", shape);
+  let ss =
+    shape
+    |> E.O.fmap(
+         Distributions.DistPlus.make(
+           ~shape=_,
+           ~domain=t.domain,
+           ~unit=t.unit,
+           ~guesstimatorString=None,
+           (),
+         ),
+       );
+  ss;
 };
\ No newline at end of file
diff --git a/src/distributions/DistTypes.re b/src/distributions/DistTypes.re
index 35173501..d970a824 100644
--- a/src/distributions/DistTypes.re
+++ b/src/distributions/DistTypes.re
@@ -80,7 +80,7 @@ module DistributionUnit = {
 module Domain = {
   let excludedProbabilityMass = (t: domain) => {
     switch (t) {
-    | Complete => 1.0
+    | Complete => 0.0
     | LeftLimited({excludingProbabilityMass}) => excludingProbabilityMass
     | RightLimited({excludingProbabilityMass}) => excludingProbabilityMass
     | LeftAndRightLimited(
diff --git a/src/distributions/Distributions.re b/src/distributions/Distributions.re
index ab9d6c6e..560d5597 100644
--- a/src/distributions/Distributions.re
+++ b/src/distributions/Distributions.re
@@ -28,7 +28,7 @@ module type dist = {
 
   type integral;
   let integral: (~cache: option(integral), t) => integral;
-  let integralSum: (~cache: option(integral), t) => float;
+  let integralEndY: (~cache: option(integral), t) => float;
   let integralXtoY: (~cache: option(integral), float, t) => float;
 };
 
@@ -37,6 +37,11 @@ module Dist = (T: dist) => {
   type integral = T.integral;
   let minX = T.minX;
   let maxX = T.maxX;
+  let xTotalRange = (t: t) =>
+    switch (minX(t), maxX(t)) {
+    | (Some(min), Some(max)) => Some(max -. min)
+    | _ => None
+    };
   let pointwiseFmap = T.pointwiseFmap;
   let xToY = T.xToY;
   let toShape = T.toShape;
@@ -51,7 +56,7 @@ module Dist = (T: dist) => {
     type t = T.integral;
     let get = T.integral;
     let xToY = T.integralXtoY;
-    let sum = T.integralSum;
+    let sum = T.integralEndY;
   };
 
   // This is suboptimal because it could get the cache but doesn't here.
@@ -78,20 +83,24 @@ module Continuous = {
       (fn, {xyShape, interpolation}: t): option(DistTypes.continuousShape) =>
     fn(xyShape) |> E.O.fmap(make(_, interpolation));
 
-  let toLinear = (t: t): t =>
+  let toLinear = (t: t): option(t) => {
     switch (t) {
-    | {interpolation: `Stepwise, xyShape} => {
-        interpolation: `Linear,
-        xyShape: xyShape |> XYShape.Range.stepsToContinuous |> E.O.toExt(""),
-      }
-    | {interpolation: `Linear, _} => t
+    | {interpolation: `Stepwise, xyShape} =>
+      xyShape
+      |> XYShape.Range.stepsToContinuous
+      |> E.O.fmap(xyShape => make(xyShape, `Linear))
+    | {interpolation: `Linear, _} => Some(t)
     };
+  };
+  let shapeFn = (fn, t: t) => t |> xyShape |> fn;
+
+  let convertToNewLength = i =>
+    shapeMap(CdfLibrary.Distribution.convertToNewLength(i));
 
   module T =
     Dist({
       type t = DistTypes.continuousShape;
       type integral = DistTypes.continuousShape;
-      let shapeFn = (fn, t: t) => t |> xyShape |> fn;
       let minX = shapeFn(XYShape.minX);
       let maxX = shapeFn(XYShape.maxX);
       let pointwiseFmap = (fn, t: t) =>
@@ -126,7 +135,7 @@ module Continuous = {
              |> E.O.toExt("This should not have happened")
              |> fromShape,
            );
-      let integralSum = (~cache, t) => t |> integral(~cache) |> lastY;
+      let integralEndY = (~cache, t) => t |> integral(~cache) |> lastY;
       let integralXtoY = (~cache, f, t) =>
         t |> integral(~cache) |> shapeFn(CdfLibrary.Distribution.findY(f));
       let toContinuous = t => Some(t);
@@ -144,7 +153,7 @@ module Discrete = {
       let integral = (~cache, t) =>
         cache
         |> E.O.default(Continuous.make(XYShape.accumulateYs(t), `Stepwise));
-      let integralSum = (~cache, t) =>
+      let integralEndY = (~cache, t) =>
         t |> integral(~cache) |> Continuous.lastY;
       let minX = XYShape.minX;
       let maxX = XYShape.maxX;
@@ -186,8 +195,6 @@ module Mixed = {
         discrete: {xs: [||], ys: [||]},
       } =>
       None
-    | {continuous, discrete: {xs: [|_|], ys: [|_|]}} =>
-      Some(Continuous(continuous))
     | {continuous, discrete: {xs: [||], ys: [||]}} =>
       Some(Continuous(continuous))
     | {continuous: {xyShape: {xs: [||], ys: [||]}}, discrete} =>
@@ -241,7 +248,6 @@ module Mixed = {
       let toScaledDiscrete = ({discrete} as t: t) =>
         Some(scaleDiscrete(t, discrete));
 
-      // TODO: Add these two directly, once interpolation is added.
       let integral =
           (
             ~cache,
@@ -258,6 +264,7 @@ module Mixed = {
                  discrete
                  |> Discrete.T.Integral.get(~cache=None)
                  |> Continuous.toLinear
+                 |> E.O.toExn("")
                  |> Continuous.T.scaleBy(
                       ~scale=discreteProbabilityMassFraction,
                     );
@@ -274,17 +281,8 @@ module Mixed = {
            );
       };
 
-      // todo: Get last element of actual sum.
-      let integralSum = (~cache, {discrete, continuous} as t: t) => {
-        switch (cache) {
-        | Some(cache) => 3.0
-        | None =>
-          scaleDiscreteFn(t, Discrete.T.Integral.sum(~cache=None, discrete))
-          +. scaleContinuousFn(
-               t,
-               Continuous.T.Integral.sum(~cache=None, continuous),
-             )
-        };
+      let integralEndY = (~cache, t: t) => {
+        integral(~cache, t) |> Continuous.lastY;
       };
 
       let integralXtoY = (~cache, f, {discrete, continuous} as t: t) => {
@@ -381,7 +379,7 @@ module Shape = {
           ),
         );
       };
-      let integralSum = (~cache, t: t) =>
+      let integralEndY = (~cache, t: t) =>
         mapToAll(
           t,
           (
@@ -419,6 +417,7 @@ module DistPlus = {
 
   type t = DistTypes.distPlus;
 
+  let shapeIntegral = shape => Shape.T.Integral.get(~cache=None, shape);
   let make =
       (
         ~shape,
@@ -428,7 +427,7 @@ module DistPlus = {
         (),
       )
       : t => {
-    let integral = Shape.T.Integral.get(~cache=None, shape);
+    let integral = shapeIntegral(shape);
     {shape, domain, integralCache: integral, unit, guesstimatorString};
   };
 
@@ -448,6 +447,11 @@ module DistPlus = {
     guesstimatorString: E.O.default(t.guesstimatorString, guesstimatorString),
   };
 
+  let updateShape = (shape, t) => {
+    let integralCache = shapeIntegral(shape);
+    update(~shape, ~integralCache, t);
+  };
+
   let domainIncludedProbabilityMass = (t: t) =>
     Domain.includedProbabilityMass(t.domain);
 
@@ -499,15 +503,15 @@ module DistPlus = {
       let maxX = shapeFn(Shape.T.maxX);
       let fromShape = (t, shape): t => update(~shape, t);
 
-      // todo: adjust for limit, maybe?
-      let pointwiseFmap = (fn, {shape, _} as t: t): t =>
-        Shape.T.pointwiseFmap(fn, shape) |> fromShape(t);
-
       // This bit is kind of akward, could probably use rethinking.
       let integral = (~cache as _, t: t) =>
-        fromShape(t, Continuous(t.integralCache));
+        updateShape(Continuous(t.integralCache), t);
 
-      let integralSum = (~cache as _, t: t) =>
+      // todo: adjust for limit, maybe?
+      let pointwiseFmap = (fn, {shape, _} as t: t): t =>
+        Shape.T.pointwiseFmap(fn, shape) |> updateShape(_, t);
+
+      let integralEndY = (~cache as _, t: t) =>
         Shape.T.Integral.sum(~cache=Some(t.integralCache), toShape(t));
 
       //   TODO: Fix this below, obviously. Adjust for limits
diff --git a/src/distributions/MixedShapeBuilder.re b/src/distributions/MixedShapeBuilder.re
index 93aea436..cd4e4ca3 100644
--- a/src/distributions/MixedShapeBuilder.re
+++ b/src/distributions/MixedShapeBuilder.re
@@ -8,6 +8,29 @@ type assumptions = {
   discreteProbabilityMass: option(float),
 };
 
+let buildSimple = (~continuous, ~discrete): option(DistTypes.shape) => {
+  let cLength =
+    continuous |> Distributions.Continuous.getShape |> XYShape.xs |> E.A.length;
+  let dLength = discrete |> XYShape.xs |> E.A.length;
+  switch (cLength, dLength) {
+  | (0 | 1, 0) => None
+  | (0 | 1, _) => Some(Discrete(discrete))
+  | (_, 0) => Some(Continuous(continuous))
+  | (_, _) =>
+    let discreteProbabilityMassFraction =
+      Distributions.Discrete.T.Integral.sum(~cache=None, discrete);
+    let discrete =
+      Distributions.Discrete.T.scaleToIntegralSum(~intendedSum=1.0, discrete);
+    let foobar =
+      Distributions.Mixed.make(
+        ~continuous,
+        ~discrete,
+        ~discreteProbabilityMassFraction,
+      )
+      |> Distributions.Mixed.clean;
+    foobar;
+  };
+};
 let build = (~continuous, ~discrete, ~assumptions) =>
   switch (assumptions) {
   | {
diff --git a/src/distributions/XYShape.re b/src/distributions/XYShape.re
index 0eb6fcfa..0721086d 100644
--- a/src/distributions/XYShape.re
+++ b/src/distributions/XYShape.re
@@ -47,8 +47,9 @@ module XtoY = {
   let stepwiseIncremental = (f, t: t) =>
     firstPairAtOrBeforeValue(f, t) |> E.O.fmap(((_, y)) => y);
 
-  let stepwiseIfAtX = (f, t: t) =>
-    getBy(t, ((x, _)) => x == f) |> E.O.fmap(((_, y)) => y);
+  let stepwiseIfAtX = (f: float, t: t) => {
+    getBy(t, ((x: float, _)) => {x == f}) |> E.O.fmap(((_, y)) => y);
+  };
 
   // TODO: When Roman's PR comes in, fix this bit. This depends on interpolation, obviously.
   let linear = (f, t: t) => t |> CdfLibrary.Distribution.findY(f);
@@ -208,16 +209,28 @@ module Range = {
   // TODO: It would be nicer if this the diff didn't change the first element, and also maybe if there were a more elegant way of doing this.
   let stepsToContinuous = t => {
     let diff = xTotalRange(t) |> E.O.fmap(r => r *. 0.00001);
-    switch (diff, E.A.toRanges(Belt.Array.zip(t.xs, t.ys))) {
-    | (Some(diff), Ok(items)) =>
-      Some(
-        items
-        |> Belt.Array.map(_, rangePointAssumingSteps)
-        |> Belt.Array.unzip
-        |> fromArray
-        |> intersperce(t |> xMap(e => e +. diff)),
-      )
-    | _ => None
-    };
+    let items =
+      switch (diff, E.A.toRanges(Belt.Array.zip(t.xs, t.ys))) {
+      | (Some(diff), Ok(items)) =>
+        Some(
+          items
+          |> Belt.Array.map(_, rangePointAssumingSteps)
+          |> Belt.Array.unzip
+          |> fromArray
+          |> intersperce(t |> xMap(e => e +. diff)),
+        )
+      | _ => Some(t)
+      };
+    let bar = items |> E.O.fmap(zip) |> E.O.bind(_, E.A.get(_, 0));
+    let items =
+      switch (items, bar) {
+      | (Some(items), Some((0.0, _))) => Some(items)
+      | (Some(items), Some((firstX, _))) =>
+        let all = E.A.append([|(firstX, 0.0)|], items |> zip);
+        let foo = all |> Belt.Array.unzip |> fromArray;
+        Some(foo);
+      | _ => None
+      };
+    items;
   };
 };
\ No newline at end of file
diff --git a/src/models/EAFunds.re b/src/models/EAFunds.re
index d21e6d01..1dd3a3df 100644
--- a/src/models/EAFunds.re
+++ b/src/models/EAFunds.re
@@ -151,7 +151,8 @@ module Model = {
         | Some({truthValue: false}) => difference
         | None =>
           let foo =
-            getGlobalCatastropheChance(dateTime)
+            // getGlobalCatastropheChance(dateTime)
+            Some(0.5)
             |> E.O.fmap(E.Float.with2DigitsPrecision)
             |> E.O.fmap((r: string) =>
                  "uniform(0,1) > " ++ r ++ " ? " ++ difference ++ ": 0"
@@ -177,7 +178,6 @@ module Model = {
               GuesstimatorDist.logNormal(40., 4.),
             ),
           ~domain=RightLimited({xPoint: 100., excludingProbabilityMass: 0.3}),
-          ~unit=TimeDistribution({zero: currentDateTime, unit: `years}),
           (),
         ),
       )
diff --git a/src/utility/CdfLibrary.js b/src/utility/CdfLibrary.js
index ab9134de..ffe63322 100644
--- a/src/utility/CdfLibrary.js
+++ b/src/utility/CdfLibrary.js
@@ -96,6 +96,18 @@ const {
     let cdf = new Cdf(xs, ys);
     return cdf.findY(x);
   }
+
+  /**
+   *
+   * @param x
+   * @param xs
+   * @param ys
+   * @returns {number[]}
+   */
+  function convertToNewLength(n, { xs, ys }) {
+    let dist = new ContinuousDistribution(xs, ys);
+    return dist.convertToNewLength(n);
+  }
   
   /**
    *
@@ -153,6 +165,7 @@ const {
     pdfToCdf,
     findY,
     findX,
+    convertToNewLength,
     mean,
     scoreNonMarketCdfCdf,
     differentialEntropy,
diff --git a/src/utility/CdfLibrary.re b/src/utility/CdfLibrary.re
index 586c7957..329826d9 100644
--- a/src/utility/CdfLibrary.re
+++ b/src/utility/CdfLibrary.re
@@ -32,9 +32,18 @@ module JS = {
   [@bs.module "./CdfLibrary.js"]
   external differentialEntropy: (int, distJs) => distJs =
     "differentialEntropy";
+
+  [@bs.module "./CdfLibrary.js"]
+  external convertToNewLength: (int, distJs) => distJs = "convertToNewLength";
 };
 
 module Distribution = {
+  let convertToNewLength = (int, {xs, _} as dist: DistTypes.xyShape) =>
+    switch (E.A.length(xs)) {
+    | 0
+    | 1 => dist
+    | _ => dist |> JS.doAsDist(JS.convertToNewLength(int))
+    };
   let toPdf = dist => dist |> JS.doAsDist(JS.cdfToPdf);
   let toCdf = dist => dist |> JS.doAsDist(JS.pdfToCdf);
   let findX = (y, dist) => dist |> JS.distToJs |> JS.findX(y);
diff --git a/src/utility/Guesstimator.re b/src/utility/Guesstimator.re
index 0122e80e..9fe403bc 100644
--- a/src/utility/Guesstimator.re
+++ b/src/utility/Guesstimator.re
@@ -16,6 +16,7 @@ module Internals = {
     discrete,
   };
 
+  // todo: Force to be fewer samples
   let toContinous = (r: combined) =>
     continuousGet(r)
     |> CdfLibrary.JS.jsToDist
@@ -25,22 +26,24 @@ module Internals = {
     discreteGet(r) |> jsToDistDiscrete;
 
   [@bs.module "./GuesstimatorLibrary.js"]
-  external toCombinedFormat: (string, int) => combined = "run";
+  external toCombinedFormat: (string, int, int) => combined = "run";
 
   // todo: Format to correct mass, also normalize the pdf.
-  let toMixedShape = (r: combined): option(DistTypes.mixedShape) => {
-    let assumptions: MixedShapeBuilder.assumptions = {
-      continuous: ADDS_TO_1,
-      discrete: ADDS_TO_CORRECT_PROBABILITY,
-      discreteProbabilityMass: None,
-    };
-    MixedShapeBuilder.build(
-      ~continuous=toContinous(r),
-      ~discrete=toDiscrete(r),
-      ~assumptions,
-    );
+  let toMixedShape = (r: combined): option(DistTypes.shape) => {
+    let continuous =
+      toContinous(r) |> Distributions.Continuous.convertToNewLength(100);
+    let discrete = toDiscrete(r);
+    // let continuousProb =
+    //   cont |> Distributions.Continuous.T.Integral.sum(~cache=None);
+    // let discreteProb =
+    //   d |> Distributions.Discrete.T.Integral.sum(~cache=None);
+
+    let foo = MixedShapeBuilder.buildSimple(~continuous, ~discrete);
+    foo;
   };
 };
 
-let stringToMixedShape = (~string, ~sampleCount=1000, ()) =>
-  Internals.toCombinedFormat(string, sampleCount) |> Internals.toMixedShape;
\ No newline at end of file
+let stringToMixedShape =
+    (~string, ~sampleCount=1000, ~outputXYPoints=1000, ()) =>
+  Internals.toCombinedFormat(string, sampleCount, outputXYPoints)
+  |> Internals.toMixedShape;
\ No newline at end of file
diff --git a/src/utility/GuesstimatorLibrary.js b/src/utility/GuesstimatorLibrary.js
index a6e981a1..8b4deef9 100644
--- a/src/utility/GuesstimatorLibrary.js
+++ b/src/utility/GuesstimatorLibrary.js
@@ -34,7 +34,7 @@ const ratioSize = samples => {
 };
 
 
-const toPdf = (values, sampleCount, min, max) => {
+const toPdf = (values, outputResolutionCount, min, max) => {
   let duplicateSamples = _(values).groupBy().pickBy(x => x.length > 1).keys().value();
   let totalLength = _.size(values);
   let frequencies = duplicateSamples.map(s => ({value: parseFloat(s), percentage: _(values).filter(x => x ==s).size()/totalLength}));
@@ -48,13 +48,13 @@ const toPdf = (values, sampleCount, min, max) => {
     const ratioSize$ = ratioSize(samples);
     const width = ratioSize$ === 'SMALL' ? 100 : 1;
 
-    const pdf = samples.toPdf({ size: sampleCount, width, min, max });
+    const pdf = samples.toPdf({ size: outputResolutionCount, width, min, max });
     continuous = pdf;
   }
   return {continuous, discrete};
 };
 
-let run = (text, sampleCount, inputs=[], min=false, max=false) => {
+let run = (text, sampleCount, outputResolutionCount, inputs=[], min=false, max=false) => {
     let [_error, item] = Guesstimator.parse({ text: "=" + text });
     const { parsedInput } = item;
     const { guesstimateType } = parsedInput;
@@ -78,7 +78,7 @@ let run = (text, sampleCount, inputs=[], min=false, max=false) => {
     } else if (values.length === 1) {
       update = blankResponse;
     } else {
-      update = toPdf(values, sampleCount, min, max);
+      update = toPdf(values, outputResolutionCount, min, max);
     }
     return update;
 }