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5 votes
Accepted

Improve a regression model and feature selection

I agree with @Hoap. Your features might be low for the amount of training observations you have. Instead of excluding columns, see if you're missing more features. Feature Engineering, rather than ...
Minu's user avatar
  • 805
4 votes
Accepted

Anomoly detection method selection

Without putting in the time to look through Azure's documentation, my guess is that their PCA method is really just a way to do a feature reduction, then use some algorithm they have to classify. Best ...
Hobbes's user avatar
  • 1,449
3 votes

PicklingError in pyspark (PicklingError: Can't pickle <class '__main__.Person'>: attribute lookup Person on __main__ failed)

Possible answer from here The problem is that you're trying to pickle an object from the module where it's defined. If you move the class into a separate file and import it into your script, then it ...
Jeff Hykin's user avatar
2 votes
Accepted

Does MS PowerBI directly connect with Azure's ML workbench?

Yes, they can connect natively. You can manage data and then put it all in different services like it is showed next. As you can see you can use SQL database, blob storate and also PowerBI. Here you ...
hoaphumanoid's user avatar
2 votes

Using python and machine learning to extract information from an invoice? Inital dataset?

I'm more of a beginner as well, but wanted to possibly help guide you towards next steps based on some of my experiences. First, what you've illustrated here sounds a little along the lines of how a ...
IsTheMailManRecursive's user avatar
2 votes

Create Custom Python Model in Azure ML Studio?

https://docs.microsoft.com/en-us/azure/machine-learning/studio-module-reference/python-language-modules This article describes the modules provided in Azure Machine Learning Studio that support ...
muffin's user avatar
  • 135
2 votes

How to predict a group of events using machine learning?

Welcome to the site! Assumptions before answering your question: The Target variable is a categorical(each stage is considered as a separate category). You have the past data of the customers whose ...
Toros91's user avatar
  • 2,392
2 votes

Converting ML Azure random forest to Python - what is "Number of random splits per node"?

From the Notes section in your link above: "The features are always randomly permuted at each split." So using the max_features parameter should be analogous to "...
bradS's user avatar
  • 1,615
2 votes

where does the database created in spark go?

Where is this database created? A powerful paradigm in modern data storage and processing is the separation of compute and storage. Building systems with decoupled compute and storage has benefits ...
Robert Long's user avatar
1 vote

Is classification enough for this?

If the entries in A are completely fixed, then you may approach this as a classification problem, assuming that you have enough labeled data to train the model. If the labels can change dynamically, ...
noe's user avatar
  • 26.9k
1 vote

Is there any differences between using text-davinci-003 with the Azure API vs. with the OpenAI API?

I'm also asking myself the same question to figure out whether it's worth migrating for increased availability or is Azure simply wrapping the original API. This is the only info I was able to find on ...
Larry Fishermann's user avatar
1 vote

Multiple Merges make the data frame in pandas to explode and causing Memory Issue in jupyter notebook

First things first: Check that you are joining by primary keys only i.e, yo do not have any duplicate value at any of the columns you are joining, otherwise you will end up with a huge and ...
Multivac's user avatar
  • 2,989
1 vote
Accepted

Azure automl time series forecasting error

The data either has duplicates or you may have some rows with empty values. I removed my rows at the bottom that had empty values separated by comma which resolved the issue
Vijaya's user avatar
  • 26
1 vote

build biased image dataset for emotion analysis

There is both subjective and objective approaches to removing bias ( de-baising techniques ) from the training datasets. It is observed that the sources of bias generally arise from the following data ...
Gokul Alex's user avatar
1 vote

Which ML algorithm should I use for following use case for classification and Why?

You can check https://autogluon.mxnet.io/ ...
Syenix's user avatar
  • 359
1 vote

xgboost in R have different results compared to boosted decision tree in Azure ML

It's hard to say, without being able to know exactly what Azure is doing. From what they do share, they bin continuous features; you could try tree_method='hist' ...
Ben Reiniger's user avatar
  • 11.9k
1 vote

Score Columns in Azure ML Studio

Some very helpful articles walked me through how to use the feature selection modules in Azure ML Studio: https://docs.microsoft.com/en-us/azure/machine-learning/studio-module-reference/feature-...
Jon's user avatar
  • 121
1 vote

Using python and machine learning to extract information from an invoice? Inital dataset?

Invoice processing has been evolved over time and place. For big corporations, their finance department may require vendor to put purchase order number on the invoice. The purchase order number might ...
Lixin M.'s user avatar
1 vote

Deployed Web service

In training set: You would better use some methods to "presume" certain values...average / pro-rata......which you could find in various learning sources Leaving them as blank (not sure of Azure but ...
r poon's user avatar
  • 139
1 vote
Accepted

What is PCA and MICE

I don't know about Azure ML. But: PCA is principal components analysis. It takes a dataset and "rotates" it, taking the original axes defined by the original variables, and creating new ...
generic_user's user avatar
1 vote
Accepted

How to bypass ID column without being used in the training model but have it as output - Azure ML

You have two options to do this, one less elegant than the other: You can drop whatever column you don't want to use and add them together after getting the scores. Though you might need to reorder ...
TitoOrt's user avatar
  • 1,872
1 vote
Accepted

Why training model give great result but real data gives very bad result: Azure ML Studio

Your question is not clear. There's 2 ways to understand it. Which dataset did you use to train your model? You trained and tested on a premade dataset. The result is great. Then you applied this ...
TQA's user avatar
  • 536
1 vote

How to apply SelectKBest in azure machine learning

I have found there are other feature selection algorithms there Please see the below screen shots
Reza's user avatar
  • 133
1 vote
Accepted

Using Pandas to_numeric() in Azure Machine Learning Studio

What’s new in Pandas v0.17.0 DataFrame.convert_objects has been deprecated in favor of type-specific functions ...
MaxU - stand with Ukraine's user avatar
1 vote

Selecting the right algorithm for match probability prediction

It seems a variant of Movie Recommendation problem. Take Netflix for example, they have user ratings for different type of movies; in your case users are telling what attributes they like. When a new ...
trailblazer's user avatar

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