Attempt to fix error messages types #3046

Ivanidzo4ka · 2019-03-21T17:35:01Z

Error messages are painful - I4, R4 etc. etc. - most people will not know what these are.

Let's see is it so easy as I think, or I need to change all baseline

Ivanidzo4ka · 2019-03-21T17:35:24Z

src/Microsoft.ML.Data/Data/RowCursorUtils.cs

@@ -341,7 +341,7 @@ public static string TestGetLabelGetter(DataViewType type, bool allowKeys)
            if (allowKeys && type is KeyType)
                return null;

-            return allowKeys ? "Expected R4, R8, Bool or Key type" : "Expected R4, R8 or Bool type";
+            return allowKeys ? "Expected Single, Double, Boolean or Key type" : "Expected Single, RDouble8 or Boolean type";


Double #Closed

Ivanidzo4ka · 2019-03-21T17:37:28Z

src/Microsoft.ML.Data/Evaluators/RankingEvaluator.cs

@@ -89,13 +89,13 @@ private protected override void CheckScoreAndLabelTypes(RoleMappedSchema schema)
            if (t != NumberDataViewType.Single && !(t is KeyType))
            {
                throw Host.ExceptSchemaMismatch(nameof(RankingMamlEvaluator.Arguments.LabelColumn),
-                    "label", schema.Label.Value.Name, "R4 or a key", t.ToString());
+                    "label", schema.Label.Value.Name, "Single or a key", t.ToString());


Capitalize #Closed

Ivanidzo4ka · 2019-03-21T18:39:03Z

test/BaselineOutput/SingleDebug/SavePipe/PartitionedNamedDirectories-Schema.txt

-  L0: Text
-  Year: Text
-  Month: Text
+  L0: String


I'll move them to Common folder after successful build run.
Otherwise it's gonna be messy PR.

Ivanidzo4ka · 2019-03-21T18:39:44Z

test/BaselineOutput/SingleDebug/SavePipe/SavePipeSlidingWindow-Schema.txt

-  Input: R4
-  Output: Vec<R4>
+  Input: Single
+  Output: Vec<Single>


Vec [](start = 10, length = 3)

Should I name you Vector? #Closed

yaeldekel · 2019-03-21T19:55:20Z

src/Microsoft.ML.Data/Transforms/NormalizeColumn.cs

@@ -400,7 +400,7 @@ public static AffineColumnFunction Create(ModelLoadContext ctx, IHost host, Data
                    if (vectorType.ItemType == NumberDataViewType.Double)
                        return Dbl.ImplVec.Create(ctx, host, vectorType);
                }
-                throw host.ExceptUserArg(nameof(AffineArgumentsBase.Columns), "Wrong column type. Expected: R4, R8, Vec<R4, n> or Vec<R8, n>. Got: {0}.", typeSrc.ToString());
+                throw host.ExceptUserArg(nameof(AffineArgumentsBase.Columns), "Wrong column type. Expected: Single, Double, Vector<Single, n> or Vector<Double, n>. Got: {0}.", typeSrc.ToString());


Vector [](start = 124, length = 6)

In other places we write something like "known-size vector of ...". Might be a bit less confusing than having this mysterious "n" here. #Pending

It doesn't have to be known size, does this one look ok?

In reply to: 267931607 [](ancestors = 267931607)

Oh, you're right, the code above doesn't require the vector to have a known size :-).

But, isn't this a bug? How can a normalizer be defined on a column of unknown size?

In reply to: 267945509 [](ancestors = 267945509,267931607)

Also, I just noticed that this is the method that loads from ModelLoadContext, shouldn't it be ExceptDecode?

In reply to: 267972968 [](ancestors = 267972968,267945509,267931607)

Also, I just noticed that this is the method that loads from ModelLoadContext, shouldn't it be ExceptDecode?

In reply to: 267972968 [](ancestors = 267972968,267945509,267931607)

Not really. Except decode is for faults of format, which this is not. What this is describing is a properly deserialzed and formatted model being applied to user data, and that user data is not compatible with the transform. So, it would be inappropriate to throw an error explicitly describing that the format is at fault. The format was fine, its application by the user to do this data is not fine. Just because there's a model load context somewhere in scope doesn't mean every conceivable exception we could throw must become this format error.

Ivanidzo4ka · 2019-03-21T20:02:01Z

src/Microsoft.ML.DataView/DataViewType.cs

@@ -128,7 +128,7 @@ public static NumberDataViewType Byte
            get
            {
                return _instByte ??
-                    Interlocked.CompareExchange(ref _instByte, new NumberDataViewType(typeof(byte), "U1"), null) ??
+                    Interlocked.CompareExchange(ref _instByte, new NumberDataViewType(typeof(byte), "ushort"), null) ??


ushort [](start = 101, length = 6)

byte and sbyte #Closed

Ivanidzo4ka · 2019-03-21T20:40:23Z

docs/samples/Microsoft.ML.Samples/Dynamic/LdaTransform.cs

@@ -11,7 +11,7 @@ public static void Example()
            // Create a new ML context, for ML.NET operations. It can be used for exception tracking and logging, 
            // as well as the source of randomness.
            var ml = new MLContext();
-
+            


random change is random #Closed

forki · 2019-03-21T21:06:23Z

Wow that's a big PR to improve a error message

codecov · 2019-03-21T21:27:56Z

Codecov Report

Merging #3046 into master will increase coverage by 0.01%.
The diff coverage is 34.73%.

@@            Coverage Diff             @@
##           master    #3046      +/-   ##
==========================================
+ Coverage   72.53%   72.55%   +0.01%     
==========================================
  Files         806      806              
  Lines      144282   144280       -2     
  Branches    16183    16183              
==========================================
+ Hits       104661   104676      +15     
+ Misses      35217    35195      -22     
- Partials     4404     4409       +5

Flag	Coverage Δ
#Debug	`72.55% <34.73%> (+0.01%)`	⬆️
#production	`68.17% <34.73%> (+0.01%)`	⬆️
#test	`88.76% <ø> (ø)`	⬆️

Impacted Files	Coverage Δ
...osoft.ML.Transforms/Text/TokenizingByCharacters.cs	`95.32% <ø> (ø)`	⬆️
...ML.Transforms/Text/StopWordsRemovingTransformer.cs	`86.1% <ø> (-0.16%)`	⬇️
...soft.ML.Transforms/Text/NgramHashingTransformer.cs	`88.77% <ø> (ø)`	⬆️
src/Microsoft.ML.Transforms/Text/WordTokenizing.cs	`79.15% <ø> (ø)`	⬆️
src/Microsoft.ML.Transforms/Text/NgramTransform.cs	`87.42% <ø> (ø)`	⬆️
...rc/Microsoft.ML.Transforms/Text/TextNormalizing.cs	`97.11% <ø> (ø)`	⬆️
src/Microsoft.ML.Transforms/GcnTransform.cs	`77.57% <ø> (ø)`	⬆️
src/Microsoft.ML.TimeSeries/IidSpikeDetector.cs	`72.54% <0%> (ø)`	⬆️
src/Microsoft.ML.Transforms/Text/LdaTransform.cs	`89.26% <0%> (-0.63%)`	⬇️
....ML.Data/Evaluators/QuantileRegressionEvaluator.cs	`68.66% <0%> (ø)`	⬆️
... and 36 more

TomFinley · 2019-03-22T03:24:40Z

src/Microsoft.ML.DataView/DataViewType.cs

@@ -94,7 +94,7 @@ public override bool Equals(DataViewType other)
            return false;
        }

-        public override string ToString() => "Text";
+        public override string ToString() => "String";


String [](start = 46, length = 6)

This one is a little tricky, since of course the type as we see a few lines above is not String at all, but rather ReadOnlyMemory<char>. #Pending

Well, it would be internally ReadOnlyMemory, but for user who construct class user should be fine with String user who works with TextLoaderwe haveDataKind.String` as well.

In reply to: 268027832 [](ancestors = 268027832)

That's fine, just so long as you've thought about it. Though, incidentally, this is not an "internal" detail. We provide convenience conversions to and from string for the sake of our reflection based API, but IDataView itself works exclusively over ReadOnlyMemory<char>, never string.

In reply to: 268261843 [](ancestors = 268261843,268027832)

TomFinley · 2019-03-22T03:26:48Z

src/Microsoft.ML.Data/Transforms/FeatureContributionCalculationTransformer.cs

@@ -218,7 +218,7 @@ public Mapper(FeatureContributionCalculatingTransformer parent, DataViewSchema s
                    throw Host.ExceptSchemaMismatch(nameof(schema), "input", _parent.ColumnPairs[0].inputColumnName);
                _featureColumnType = schema[_featureColumnIndex].Type as VectorType;
                if (_featureColumnType == null || _featureColumnType.ItemType != NumberDataViewType.Single)
-                    throw Host.ExceptSchemaMismatch(nameof(schema), "feature", _parent.ColumnPairs[0].inputColumnName, "vector of float.", _featureColumnType.ItemType.ToString());
+                    throw Host.ExceptSchemaMismatch(nameof(schema), "feature", _parent.ColumnPairs[0].inputColumnName, "Vector of Single", _featureColumnType.ItemType.ToString());


Vector [](start = 120, length = 6)

While Single is appropriate, I think we generally call these vector in the context of a larger sentence.

So I would say "I want a vector of Single," I would not say "I want a Vector of Single." Unless you were planning on changing this in other places, which I notice you haven't. #Closed

I tried to figure out which one looks better, and come to conclusion what lower case vector is more appealing for me, but I guess i miss capital case in some places.

In reply to: 268028098 [](ancestors = 268028098)

I agree, thank you @Ivanidzo4ka

In reply to: 268257594 [](ancestors = 268257594,268028098)

TomFinley · 2019-03-22T03:29:58Z

src/Microsoft.ML.Data/Transforms/NormalizeColumnDbl.cs

@@ -932,7 +932,7 @@ public ImplVec(IHost host, TFloat[] mean, TFloat[] stddev, bool useLog)

                    public static ImplVec Create(ModelLoadContext ctx, IHost host, VectorType typeSrc)
                    {
-                        host.Check(typeSrc.ItemType.RawType == typeof(TFloat), "The column type must be vector of R8.");
+                        host.Check(typeSrc.ItemType.RawType == typeof(TFloat), "The column type must be vector of Double.");


vector [](start = 104, length = 6)

Here's an example of a place where we've left it lowercase vector. Not sure what approach you want to take here. #Closed

lowercase

In reply to: 268028513 [](ancestors = 268028513)

Good, I agree, thank you.

In reply to: 268267564 [](ancestors = 268267564,268028513)

TomFinley · 2019-03-22T03:30:50Z

src/Microsoft.ML.Data/Transforms/RangeFilter.cs

@@ -153,7 +153,7 @@ private RangeFilter(IHost host, ModelLoadContext ctx, IDataView input)

            _type = schema[_index].Type;
            if (_type != NumberDataViewType.Single && _type != NumberDataViewType.Double && _type.GetKeyCount() == 0)
-                throw Host.ExceptSchemaMismatch(nameof(schema), "source", column, "float, double or KeyType", _type.ToString());
+                throw Host.ExceptSchemaMismatch(nameof(schema), "source", column, "Single, Double or KeyType", _type.ToString());


KeyType [](start = 101, length = 7)

So, this is an interesting one... the type is of key, but we are calling it KeyType... yet, we say Single not SingleType. Probably not worth resolving now, but something to think about in future, no doubt. #Closed

while Single and Double is .net types, Key is something we introduce. So I fill need to distinguish them somehow.
In same time Eric has PR to rename KeyType to KeyDataViewType

In reply to: 268028603 [](ancestors = 268028603)

Ok, let's name it Key.

In reply to: 268253632 [](ancestors = 268253632,268028603)

TomFinley · 2019-03-22T03:33:56Z

src/Microsoft.ML.DataView/DataViewType.cs

@@ -117,7 +117,7 @@ public static NumberDataViewType SByte
            get
            {
                return _instSByte ??
-                    Interlocked.CompareExchange(ref _instSByte, new NumberDataViewType(typeof(sbyte), "I1"), null) ??
+                    Interlocked.CompareExchange(ref _instSByte, new NumberDataViewType(typeof(sbyte), "sbyte"), null) ??


sbyte [](start = 103, length = 5)

We are elsewhere using the .NET type names for these things, are we not? So should this be SByte, not sbyte? #Closed

TomFinley · 2019-03-22T03:34:17Z

src/Microsoft.ML.DataView/DataViewType.cs

@@ -128,7 +128,7 @@ public static NumberDataViewType Byte
            get
            {
                return _instByte ??
-                    Interlocked.CompareExchange(ref _instByte, new NumberDataViewType(typeof(byte), "U1"), null) ??
+                    Interlocked.CompareExchange(ref _instByte, new NumberDataViewType(typeof(byte), "byte"), null) ??


byte [](start = 101, length = 4)

So, by a similar token, ought this to be Byte? #Closed

TomFinley · 2019-03-22T03:34:27Z

src/Microsoft.ML.DataView/DataViewType.cs

@@ -150,7 +150,7 @@ public static NumberDataViewType UInt16
            get
            {
                return _instUInt16 ??
-                    Interlocked.CompareExchange(ref _instUInt16, new NumberDataViewType(typeof(ushort), "U2"), null) ??
+                    Interlocked.CompareExchange(ref _instUInt16, new NumberDataViewType(typeof(ushort), "UIUnt16"), null) ??


UIUnt16 [](start = 105, length = 7)

Typo. #Closed

Note that if you had, say, done nameof(UInt16) you wouldn't have had this problem. I think in fact this would probably be a good idea to adopt...

In reply to: 268029020 [](ancestors = 268029020)

I think we should just get rid of this string and use RawType.Name instead. #Resolved

sfilipi · 2019-03-22T15:36:31Z

src/Microsoft.ML.Data/Data/RowCursorUtils.cs

@@ -341,7 +341,7 @@ public static string TestGetLabelGetter(DataViewType type, bool allowKeys)
            if (allowKeys && type is KeyType)
                return null;

-            return allowKeys ? "Expected R4, R8, Bool or Key type" : "Expected R4, R8 or Bool type";
+            return allowKeys ? "Expected Single, Double, Boolean or Key type" : "Expected Single, Double or Boolean type";


Single [](start = 90, length = 6)

i feel like "float" "double" or "bool" are even more user friendly.

we don't usually go :
Boolean k = true; #Closed

from C# developer point, yes.
But as soon as you work with TextLoader or you inside Visual Basic you no longer have bool our Datakind is Boolean CLS wise i think it's also Boolean

In reply to: 268223385 [](ancestors = 268223385)

For our C# code, we prefer to use the language specific keywords, like float, bool, short, etc.

However, for public APIs, strings, etc. where these words/names are visible to other languages we shouldn't be using the C# language specific keywords. Instead we should be using the .NET Type names like Boolean, Single, Int16, etc. We made those changes in our public API, like the public DataKind enum. We should use the same names in these strings.

sfilipi · 2019-03-22T15:37:00Z

src/Microsoft.ML.Data/Evaluators/BinaryClassifierEvaluator.cs

@@ -1098,18 +1098,18 @@ private void CheckInputColumnTypes(DataViewSchema schema)

            var t = schema[(int)LabelIndex].Type;
            if (t != NumberDataViewType.Single && t != NumberDataViewType.Double && t != BooleanDataViewType.Instance && t.GetKeyCount() != 2)
-                throw Host.ExceptSchemaMismatch(nameof(schema), "label", LabelCol, "float, double, bool or a KeyType with cardinality 2", t.ToString());


"float, double, bool [](start = 83, length = 21)

i'd live them #Resolved

https://docs.microsoft.com/en-us/dotnet/standard/language-independence-and-language-independent-components?view=netframework-4.7.2#types-and-type-member-signatures
If you scroll down it has list of CLS compliant types.
float and double are C# specific, while Single and Double I believe should work on vbasic, F# and other languages.

In reply to: 268223604 [](ancestors = 268223604)

sfilipi · 2019-03-22T15:38:36Z

src/Microsoft.ML.Data/Evaluators/QuantileRegressionEvaluator.cs


            VectorType scoreType = schema[ScoreIndex].Type as VectorType;
            if (scoreType == null || scoreType.Size == 0 || (scoreType.ItemType != NumberDataViewType.Single && scoreType.ItemType != NumberDataViewType.Double))
            {
-                throw Host.ExceptSchemaMismatch(nameof(schema), "score", ScoreCol, "known-size vector of float or double", t.ToString());
+                throw Host.ExceptSchemaMismatch(nameof(schema), "score", ScoreCol, "known-size vector of Single or Double", t.ToString());


vector [](start = 95, length = 6)

would array be more correct? vector still needs some mapping to a C# type.

My problem with array, is what we also can work with VBuffer in our code.
Would like to hear other people opinion as well, tho.

In reply to: 268224361 [](ancestors = 268224361)

update baselines

sfilipi

sfilipi

TomFinley

Thank you @Ivanidzo4ka !

Did I miss something?

08f0a7f

Ivanidzo4ka commented Mar 21, 2019

View reviewed changes

Update tests

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Ivanidzo4ka commented Mar 21, 2019

View reviewed changes

Ivan Matantsev added 2 commits March 21, 2019 11:57

Vector instead of Vec

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missing test

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Ivanidzo4ka requested review from yaeldekel, eerhardt and singlis March 21, 2019 19:40

yaeldekel reviewed Mar 21, 2019

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Ivanidzo4ka commented Mar 21, 2019

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Ivan Matantsev added 2 commits March 21, 2019 13:24

more updates!

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byte and sbyte

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Ivanidzo4ka commented Mar 21, 2019

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More tests

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TomFinley reviewed Mar 22, 2019

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sfilipi reviewed Mar 22, 2019

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address some comments

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Key instead of Key type.

e303066

update baselines

Ivanidzo4ka changed the title ~~[WIP] Attempt to fix error messages types~~ Attempt to fix error messages types Mar 22, 2019

sfilipi approved these changes Mar 22, 2019

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Sync with master

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TomFinley approved these changes Mar 25, 2019

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Common SavePipe

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Ivanidzo4ka merged commit beb67a1 into dotnet:master Mar 25, 2019

Ivanidzo4ka mentioned this pull request Mar 26, 2019

Data kind R4, R8, etc. were removed, but errors still show up with those internal types #3097

Closed

ghost locked as resolved and limited conversation to collaborators Mar 23, 2022

Attempt to fix error messages types #3046

Attempt to fix error messages types #3046

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