Delete every second column

Author: mklc

August undefined, 2024

WebMay 3, 2024 · Now in my code I'm trying to delete every second point (and then double the time in between these points in RoboDK), but I can't figure out how to do this in an if … WebAug 9, 2024 · 1. I'd like to write a code, that checks how much rows there are in one sheet, then deletes every second row. The procedure should be like this: Get total number of rows. Start with the last row, delete it. Go up by two rows, delete it. After you reach row number 2, stop. Here is my code which stops working at 8th row activeRow = activeRow - 2.

Delete multiple Columns using Excel and VBA Exceldome

WebThanks Ed. I have a question that is not related to this post. But I see that you are super erudite with Pandas so I will ask anyway: is there any way to add a total row calculating ONLY the columns that I specified, Something like df.loc['Total'] = df.sum(select_list), select_list = [columnA, columnB ...].I made a post but didn't really get the answer that I … WebOct 29, 2009 · Given its name, I think the standard way should be delete: import numpy as np A = np.delete (A, 1, 0) # delete second row of A B = np.delete (B, 2, 0) # delete third row of B C = np.delete (C, 1, 1) # delete second column of C According to numpy's documentation page, the parameters for numpy.delete are as follow: numpy.delete (arr, … meghan hess np

How can I delete even rows in a matlab Matrix - MathWorks

WebApr 24, 2024 · If your matrix is A, then Theme Copy A (n:n:end,:) = []; will delete every nth row. Your matrix row count does not need to be evenly divisible by n. prakhar dutta on 18 Feb 2024 More Answers (1) Ramesha Silva on 24 Apr 2024 0 Helpful (0) How to delete all even columns of A? 0.6000 0.4000 0.6000 0.8000 -1.0000 1.0000 2.0000 3.0000 … WebAug 9, 2024 · Delete every nth columns using Select dialog With Worksheet active, select Edit: Select from main menu. In the Select dialog that opens, select By Select N columns and Skip M columns from … WebMay 15, 2024 · 1 Answer Sorted by: 1 I am assuming there are many ways to do this. But I just use iloc df = df.iloc [::2,:] Try it and let me know if it worked for you. Share Improve this answer Follow answered May 15, 2024 at 2:34 Marcos Feijoo 26 1 1 you don't need the second :. Just df.iloc [::2]. – Quang Hoang May 15, 2024 at 2:42 Add a comment meghan hewitt facebook

How to delete every other cell in column [SOLVED]

How To Delete Every Other Row in Excel - Tech Junkie

WebSelect Both columns (A and B) From the Data menu ribbon, select the Filter tool. You will notice two filter arrows next to each column header. Click on the arrow next to Column B’s header and select only TRUE from the dropdown. You will now only see the rows that have TRUE values for Column B. Select the range of cells that are visible in Column A. Web2. Right-click anywhere on any of the selected columns and click Delete. METHOD 2. Delete multiple columns using the ribbon option. EXCEL. Select multiple cells > Home … meghan hickey houstonWebJul 19, 2024 · If the answer is no, then you can record a simple recursive macro to remove every second column on a single line: gg: Move to start of file, qqq: Clear the q register: … meghan higgins loan officer

"WebOct 24, 2010 · Every 2nd row. WITH example AS ( SELECT t.*, ROW_NUMBER () OVER (ORDER BY t.id) AS rank FROM TABLE t) DELETE example WHERE rank%2 = 0. For every 3rd row, change the WHERE clause to: WHERE rank%3 = 0. Anf for every fifth row: WHERE rank%5 = 0. This uses modulus, which returns the remainder from division. If … " - Delete every second column

Delete every second column

How to Select Alternate Columns in Excel (or every Nth Column)

WebDec 9, 2024 · You can simply just get the indexes of columns you want to remove with range and then drop those. drop_idx = list (range (2,df.shape [1],3)) #Indexes to drop df2 = … WebMay 3, 2024 · To delete every second element in an array starting with element #2, Theme Copy x (2:2:end) = []; or starting with element #1, Theme Copy x (1:2:end) = []; But to ensure you never delete the endpoints, Theme Copy x (2:2:end-1) = []; To preserve indexing, you can insert NaN values instead of removing elements, Theme Copy x (1:2:end) = nan;

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WebJun 25, 2024 · df1 = df [df.reset_index ().index % 3 != 0] # Excludes every 3rd row starting from 0 df2 = df [df.reset_index ().index % 3 == 0] # Selects every 3rd row starting from 0 df.reset_index ().index will create an index that starts at 0 and increments by 1, allowing you to use the modulo easily. Share Improve this answer Follow WebMay 9, 2012 · Use normal command Ctrl-V 8jf+d to select S1 column and delete it. Explanation: Ctrl-V: Enter in Blockwise Visual Mode. 8j: Eigth is the number of rows of the table, it sets cursor at same column but last line. f+: Move cursor until next + character. d: delete visual selection. And result is:

WebJul 20, 2024 · If the answer is no, then you can record a simple recursive macro to remove every second column on a single line: gg: Move to start of file, qqq: Clear the q register: this is necessary for recursive macros, qq: Start recording in the q register, f": Find the end of the first entry, 2dt": Delete to end of second entry, WebJan 27, 2024 · Re: How to delete every other cell in column. To use the mouse to drag a formula down... • Select the source cell for the formula. • Put the mouse cursor over the little black box in thebottom-right corner of the source cell. (the cursor will turn into a small "x") • Hold down the left mouse button.

WebNov 23, 2024 · My Idea consists in deleting every row with an even index (I wanted to test something). But this code does not seem to work. I get the error " Matrix index is out of range for deletion. " Thank you Theme Copy Y=magic (10) %T = Y (1:2:end , 1:3:end ); T=Y [a,b]=size (T); for i = 1:a r=rem (i,2); if (r == 0) T (i, :)= []; end T end WebApr 24, 2024 · If your matrix is A, then Theme Copy A (n:n:end,:) = []; will delete every nth row. Your matrix row count does not need to be evenly divisible by n. prakhar dutta on 18 …

WebJun 21, 2013 · You can delete rows and columns from a matrix by assigning the empty array [] to those rows or columns. Start with ... Then, delete the second column of A using. A(:, 2) = [] This changes matrix A to. A = 16 3 13 5 10 8 9 6 12 4 15 1 Also you can delete multiple rows/columns at once: A([1 3],:)=[] A = 5 10 8 4 15 1 ...

WebDec 8, 2024 · Sometimes you may have a need to delete every other row (i.e., alternate rows), or every third/fourth/fifth row in Excel. One use-case of this could be when you have weekly data and you only want the data for even weeks or odd weeks. Another could be when you get a data dump from a database and all the useful data is only in every … meghan highlights depression pregnancyWebOpen the MOD & ROW column's filter options again and check the ( Select All) checkbox to display the remaining data. Click OK. Delete the MOD & ROW column and remove the filters by pressing Ctrl + Shift + L with any cell selected from the data. In this instance, every 3rd row has been deleted. meghan hickeyWebJul 9, 2024 · Delete every column that is multiple of 3 or 4 (i.e. columns 3,4,6,8,9,12,15,16,18,20,21,24,etc) or Delete 3rd and 4th column in every group of 4 columns (i.e. columns 3,4, 7,8, 11,12, 15,16, 19,20, 23,24, etc). Therefore I’m providing a separated solution for each case: meghan hicks