Ask Your Question
1

How can rows be removed in pandas if the values for x,y and z coordinates fall within a geometric box?

asked 2023-06-09 04:29:47 +0000

woof gravatar image

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted
3

answered 2023-06-09 04:39:01 +0000

djk gravatar image

Assuming that the geometric box is defined by minimum and maximum values for each coordinate, we can use the following code to remove the rows in pandas:

import pandas as pd

# create sample data frame
df = pd.DataFrame({'x': [1, 2, 3, 4, 5],
                   'y': [2, 3, 4, 5, 6],
                   'z': [3, 4, 5, 6, 7]})

# define minimum and maximum values for the box
x_min = 2
x_max = 4
y_min = 3
y_max = 5
z_min = 4
z_max = 6

# filter the rows that fall within the box and assign to a new data frame
df_filtered = df.loc[(df['x'] < x_min) | (df['x'] > x_max) |
                     (df['y'] < y_min) | (df['y'] > y_max) |
                     (df['z'] < z_min) | (df['z'] > z_max)]

# display the filtered data frame
print(df_filtered)

In this example, the minimum and maximum values for the box are defined as xmin = 2, xmax = 4, ymin = 3, ymax = 5, zmin = 4 and zmax = 6. The code filters the rows that fall outside of this box using the loc function and logical operators. The filtered data frame is assigned to a new variable called df_filtered, which is then printed to the console.

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account. This space is reserved only for answers. If you would like to engage in a discussion, please instead post a comment under the question or an answer that you would like to discuss

Add Answer


Question Tools

Stats

Asked: 2023-06-09 04:29:47 +0000

Seen: 18 times

Last updated: Jun 09 '23