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808
808 views
What analytical software would be good for a company to use?
This would be for a company that is just now looking into using a software to track data for wine making.
1 1 vote
1 1 answer
1.4k
1.4k views
When dealing with categorical values, should the 'year' column be encoded using OHE or OrdinalEncoder?
It's a car prices dataset, and so I'm assuming that the more recent the more value a car should have. The values in the 'year' column simply consist of years from 1995 to...
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0 0 answers
1.9k
1.9k views
ValueError: Length mismatch: Expected axis has 60 elements, new values have 2935849 elements
I'm creating a new data frame with the most used items grouped together. But I got the following error when grouping through ID and items. ValueError: Length mismatch: Ex...
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0 0 answers
548
548 views
How do I know which encoder to use to convert from categorical variables to numerical?
So say I have a column with categorical data like different styles of temperature: 'Lukewarm', 'Hot', 'Scalding', 'Cold', 'Frostbite',... etc.I know that we can use pd.ge...
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371
371 views
Classification of data object might be incorrect
I am learning a new Salesforce product (Evergage) for the company I work for. In the program's documentation they have listed a set of data objects as an example. It appe...
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367
367 views
Can Data Science solve this problem?
So, I live in Brazil, and I have a task for college that I don't know what data science method to use, if at all, to solve it. My idea is the following: We Brazilians hav...
0 0 votes
0 0 answers
442
442 views
Which algorithm is best to detect anomalies within a data set of 5k+ user-login events?
I am trying to build an unsupervised ML model to detect anomalies within 5000+ users' login data. I selected 5 features contained within each of the user-login events (e...
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0 0 answers
377
377 views
How we incorporate the polyline in machine learnning tools
Suppose I have to predict the traffic of a road segment based on available data such as number of houses and business along the road segment. Which machine learning tool ...
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0 0 answers
529
529 views
how many samples do we need to test image segmentation using synthetic data ?
Hello,I trained a CNN using synthetic data to perform a segmentation task on human faces. During the test and to evaluate the prediction of this network, I used 200 examp...
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0 0 answers
462
462 views
should i start as a data analyst then data science?
should I start as a data analyst then data science?I am a second-year Bachelor's in Computer Science and wanted to pursue to be a Data Scientist.However, when I am trying...
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1 1 answer
850
850 views
How best to ensure data quality?
0 0 votes
1 1 answer
734
734 views
Can we have multiple target values in a ML problem dataset for supervised learning?
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344
344 views
Searching for movie dataset containing movie synopses/plots?
HelloTo build a hybrid recommendation system, I used the movielens 1M dataset, for the collaborative filtering part. Now, I'm looking for a database/dataset that contains...
1 1 vote
1 1 answer
647
647 views
How to calculate average with deviating sensors?
In case of 3 sensors reporting loads of values individually.. one sensor might be off. The average of the 2 trustworthy sensors is to be reported.. the third in need for ...
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0 0 answers
484
484 views
Intermittent Mathematics (Logarim)
The old keypad of the telephone, it has 10 numbers (10 keys) , this keypad allows the user to enter a text by successively pressing certain key many times in a small peri...
0 0 votes
0 0 answers
384
384 views
The old keypad of the telephone, it has 10 sume. yypad. after that yout
هاد سؤال رياضيات متقطعةThe old keypad of the telephone, it has 10 numbers (10 keys) , this keypad allows the user to enter a text by successively pressing certain key man...
3 3 votes
0 0 answers
816
816 views
design a computer-based system that will encourage autistic children to communicate and express themselves better.
a) A company has been asked to design a computer-based system that will encourage autistic children to communicate and express themselves better.b) What type of interacti...
1 1 vote
1 answers 1 answer
824
824 views
Terminology clarification in Spark
I have a hard time distinguishing terminologies of SparkSQL. While SparkSQL are quite flexible in terms of abstraction layers, its really difficult for beginner to naviga...
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