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Data Science Questions & Answers

Get better with each session of Data Science Training. Talk and understand the language of data and communicate your findings with different techniques and tools that you will gain expertise with the help of this online Data Science Training.

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TIMENOW() subtraction

I am trying to find out the difference between the current time and 5PM. I tried numerous variations and I just can't make sense of the results I am…

Data Science

4 Answers · 1.3K Views · Answered ✓

Asked by: Ben PHILLIPS · 5 years ago

git: fatal: I don't handle protocol '​​http'

I copy and pasted a git clone command from a web page: https://fedorahosted.org/ibus-typing-booster/ I got this:user@host> git clone…

Data Science

1 Answer · 1.2K Views · Answered ✓

Asked by: Bella Blake · 5 years ago

Resize image proportionally with CSS?

Is there a way to resize (scale down) images proportionally using ONLY CSS?I'm doing the JavaScript way, but just trying to see if this is possible…

Data Science

1 Answer · 725 Views · Answered ✓

Asked by: Amy Avery · 5 years ago

How to keep a git branch in sync with master

At the moment git is doing my head in, I cannot come up with the best solution for the following.There are two branches, one called master and one…

Data Science

1 Answer · 1.2K Views · Answered ✓

Asked by: Csaba Toth · 5 years ago

How to use Aggregate in mongoose

How do I define the following MongoDB aggregate query in mongoose:db.contacts.aggregate([{$group: { "_id": { code: "$Code", name: "$Name" } } }])The…

Data Science

1 Answer · 1.2K Views · Answered ✓

Asked by: Preetam Shetty · 5 years ago

How to convert a DataFrame back to normal RDD in pyspark?

I need to use the(rdd.)partitionBy(npartitions, custom_partitioner method that is not available on the DataFrame. All of the DataFrame methods refer…

Data Science

1 Answer · 1.4K Views · Answered ✓

Asked by: Katherine Dwivedi · 5 years ago

Error: could not find function … in R

I am using R and tried some.function but I got following error message: Error: could not find function "some.function"This question comes up very…

Data Science

1 Answer · 2.2K Views · Answered ✓

Asked by: Jack Russell · 5 years ago

MySQL Insert Where query

What's wrong with this query:INSERT INTO Users( weight, desiredWeight ) VALUES ( 160, 145 ) WHERE id = 1;It works without the WHERE clause. I've…

Data Science

1 Answer · 1.0K Views · Answered ✓

Asked by: Kirsty Deller · 5 years ago

How to flush output of print function?

I want to output to the screen using print function in Python, How can I do it?

Data Science

1 Answer · 1.2K Views · Answered ✓

Asked by: Dylan PEREZ · 5 years ago

Remove columns from dataframe where ALL values are NA

I'm having trouble with a data frame and couldn't really resolve that issue myself:The data frame has arbitrary properties as columns and each row…

Data Science

1 Answer · 1 Views · Answered ✓

Asked by: Rohit sharma · 5 years ago

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