Questions about the organization of elements of data, and the standardization of their relations.
Questions tagged [data-science-model]
660 questions
2
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B.Tech Project for final year of College
I am an Engineering student in NSIT, Delhi, India. In our last year of B.Tech degree we have a B.Tech project, aka, BTP. I am in ECE(Electronics and Communication Engineering) dept.
Usually, my ECE batch mates would perform the project majorly…
K_lash96
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1 answer
Counting the transition in a dataframe overtime
I am stuck at a problem and am thinking how to come out of it. I want to write a code in python with dataframe as below:
data = {'Id':['a', 'a', 'b', 'b', 'c', 'c'],
'value':['Active', 'Notactive', 'Active', 'Superactive', 'Notactive',…
Khalid M
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0 answers
How do I develop a system to Recommend a marketing channel using data science?
I am working on a data science challenge. I would like some help on how to proceed in developing my solution. A snapshot of my dataset is shown below:
This dataset is collected by a drug making company trying to sell its drug to doctors of…
Krishna Shiva
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1 answer
Reviewing a paper - common practice
I've been asked to review a paper in which the authors compare their new model (let's call it Model A) to other models (B, C, and D), and conclude theirs is superior on some metric (I know, big surprise!).
Here's the problem: in my research, my…
StatsSorceress
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Why are there different technique to measure distance between two vector?
While learning for ML, came across different ways to means the distance between vector Like L1 norms, L2 norms, Lp norms and Cosine. Beside the formula of each of these methods, how are these different for our objective find how are each vector…
Smitha
- 11
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1
vote
1 answer
What is meant by "a linear model applied to the output of the poly() function"?
Currently, I am studying the third chapter of An Introduction to Statistical Learning with Application in R which discusses linear regression. In section 3.6.5: Non-linear Transformations of the Predictors the poly() function was used to create a…
Sourav_Hasan
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Where can I find a good dataset for Customer Journey Analysis (Multi-Touch Attribution)?
For my thesis I need to find a dataset regarding customer journey analysis, hereby I assign credits to touchpoints of certain channels to see which channels are the most efficient. For example a customer sees a instagram ad, facebook ad and email…
0
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type error in making model using MultinonialNB
TypeError Traceback (most recent call last)
Cell In[90], line 2
1 mb=MultinomialNB()
----> 2 mb.fit(x_train_idf,y_train)
File ~\anaconda3\lib\site-packages\sklearn\naive_bayes.py:753, in BaseDiscreteNB.fit(self, X, y,…
0
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1 answer
Numbering after classification
I have tabular data. Arbitary amount of rows can form a certain class. Data contains multiple instances of each class. I want each class instance to contain its own number. What is the name of this task so that I can further search for information…
Bulat Ibragimov
- 101
0
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Why can't I nest these if statement?
this is: I am trying to nest the following if statements =IF(ISBLANK(E2),"",IF((TODAY()-$A2)>=7,IF(REGEXMATCH($I2,"ORDERED|ordered|order number|PO#|PO|purchase order|po|p.o"),"Request Ordered",$E2&" Requested Not Ordered"),"")) based upon a number…
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2 answers
How to retrain a model if a subset of predictions needs improvement
In my work, sometimes my client complain about a subset of predictions not being accurate. Despite I know it's nearly impossible to just change the model for fitting that subgroup, while other predictions going well. But is it the case? Other than…
Student
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1 answer
How to start working on Data Science Projects
As a beginner how to start working on Data Science projects because while working on the projects we want to know whether we are working on the right path or not and is there any guidelines there for to follow up ?
How to measure our performance…
Gajan T
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what tool or theory should I use to analyse Baccarat roadmap?
I am going to write a program to analyze the result of the Baccarat game.
In Baccarat, there will be two results, banker win, and player win.
People use a roadmap to record the results, it's like this:
The red circles represent banker win and blue…
zzzgoo
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-1
votes
1 answer
What does it mean for a prior to be improper
It’s use will never result in a posterior distribution which integrates (or sums) to 1. ?
Zaynul Abadin Tuhin
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