Python 3 Programming Tutorial 13 | Loops | How to loop over dataframe & create new calculated column

In this Python 3 Programming Tutorial 13 video I have talked about How to loop over dataframe & create new calculated column. This is a very useful functionality all the time you need for data pre processing task.

[vagneralves]

Thank You so Much!, I was really struggling trying to figure out a way to solve this!

[jacquelingonza]

Thank you so much it helped me to get the answer to my homework.

[gussta]

This was a really good vid, thanks so much. Quick and to the point...

[pallavipal]

Can u please reply on this:
How to create new column using conditions for example (greater than or less than) of other columns in same dataframe

[Vinay.extra]

thank you so much sir ...
plz tell us 1 more thing that how to roundoff the - Avg price per room

[derlei]

Hello, if I want to skip rows? Thanks for the video

[chauhani.a.sacademyupsc]

unsupported operand type(s) for -: 'list' and 'list' getting this error while doing so on my data frame any help

[SHAUNVINDA]

Hello sir, how may i sort data sets which some of them have more columns(attributes) and some of them has less. My main goal is to combine few messy data sets into one sheet.

[sufi]

how to do the same with column positions? Instead of giving the name i want to give the position and check the values? Please help

[ArjunSharma-vyfv]

loc is for lables, especifically for rows? isnt that right?

[rohangaekwad]

Hi, I like your video and it was very helpful to me. But I was wondering that is it possible to add a column at a specific Index using this method?

[kizitobukenya]

Thank you. How can I apply at given index ranges

[ankitgupta]

Thanks for this video. But I want to create a new column fo all columns I have in my data frame and put the value of the difference of two rows. Can you give me an email id? I will explain to you everything.
c1 c2 c3 c4 NewColumn(c1.1)
p1 q1 r1 20 0
p2 q2 r2 10 p2-p1
p3 q3 r1 30 p3-p2


I want something like this for all columns upto c4