Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 269

Where can I find Business Intelligence Case Studies?

I am teaching an undergraduate course on business intelligence and data mining. I was wondering if anyone has any resources where students can search for BI case studies? I've tried...

Asked on 12/24/2020 by K G

0 answer

Keras custom layer using tensorflow function

I was wondering if there is any other way to write my own Keras layer instead of inheritance way as given in their documentation? My colleague is more comfortable in...

Asked on 12/24/2020

2 answer

How to include validation set in the pipeline to tune parameters for an SVM?

I have a dataset already divided into train, test and validation set. How can I insert the validation in my pipeline? Code:class SVMSentiment(Base):"""Predict sentiment scores using a linear Support...

Asked on 12/24/2020

1 answer

Loss function in GradientBoostingRegressor

I was looking at the Scikit-Learn documentation for GradientBoostingRegressor. Here it says that we can use 'ls' as...

Asked on 12/24/2020 by user3902660

2 answer

Ways of filtering erronous email addresses using NLP?

Background: I have a database of user information, in which they registered through a website. Objective: I would like to filter out erroneous emails, not by if it is...

Asked on 12/24/2020 by Shazbots

2 answer

Understanding the Gini/AUC metric as out-of-development performance metric

Assume we develop a model for a binary classification task that reaches a certain Gini/AUROC estimate on the validation ( or training ) sample, among others. This is an overall...

Asked on 12/24/2020

1 answer

Converting a multi index dictionary output into Pandas dataframe

I need help in converting this data into pandas dataframe. Challenge here is data is in nested dictionary format and the no of elements present in every row changes on...

Asked on 12/24/2020 by Harvey 2020

0 answer

How can I use my own dataset for Image segmentation using Tensorflow

I have a huge problem using my own created dataset for image segmentation using Tensorflow. The dataset that I've build contain images like the one shown below: ...

Asked on 12/24/2020 by thegendolz

1 answer

RapidMiner create test partition

i have a big dataset with 2 classes. The 70% of records belong to the first class. It if create a training and test set with the operator "split...

Asked on 12/24/2020 by Qwerto

1 answer

looking for a correlation function for categorical + numerical datasets in matlab

I am looking for a function in Matlab that calculates the correlation coefficient of a data set that includes categorical + numerical data. I am quite surprised this isn't as...

Asked on 12/24/2020 by cgo

0 answer

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