dataframe Archives - Page 2 of 17

I’ve got a Pandas DataFrame and I want to combine the ‘lat’ and ‘long’ columns to form a tuple. <class 'pandas.core.frame.DataFrame'> Int64Index: 205482 ...

June 1, 2022
0 Comments

Programming, r

IT Nursery

Convert row names into first column

I have a data frame like this: df VALUE ABS_CALL DETECTION P-VALUE 1007_s_at "957.729231881542" "P" "0.00486279317241156" 1053_at "320.632701283368" "P" "0.0313356324173416" 117_at "429.842323161046" "P" ...

June 1, 2022
0 Comments

Programming, Python

IT Nursery

add a string prefix to each value in a string column using Pandas

I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly). I ...

May 31, 2022
0 Comments

Programming, Python

IT Nursery

How to test if a string contains one of the substrings in a list, in pandas?

Is there any function that would be the equivalent of a combination of df.isin() and df...

May 31, 2022
0 Comments

Programming, r

IT Nursery

Convert data.frame column to a vector?

I have a dataframe such as: a1 = c(1, 2, 3, 4, 5) a2 = c(6, 7, 8, 9, 10) a3 = c(11, ...

May 31, 2022
0 Comments