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Questions tagged [group]

585 questions
9
votes
5 answers

Django Admin - Giving staff members access to certain areas by default

Could anyone tell me how to give staff users in django (those with is_staff set to true) access to some models by default in the admin interface? Currently if I log in as a staff member I just get "You don't have permission to edit anything". If I…
hajamie
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5
votes
5 answers

Is there a better R way to expand a dataframe by a function on rows?

Question: Below works, but is there a better "R way" of achieving similar result? I am essentially trying to create / distribute groups into individual line items according to a user defined function (currently just using a loop). Example: df1 <-…
ScottyJ
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5
votes
1 answer

adjust the elements of a column to get a cumsum equal to zero

I have this columns in a bigger dataset (here i just report asset "x" but there are different, hence the idea is to replicate the process for every asset): df <- structure(list( asset = c("x", "x", "x", "x", "x", "x", "x", "x", "x", "x",…
Lorenzo Mazzucchelli
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4
votes
2 answers

How to shrink/filter data per group?

I have a dataset with some columns and a grouping variable. I want to reduce the dataset per grouping variable, max_n rows per grouping level. At the same time I want to keep the distribution of the other columns. What I mean by that is that I want…
EnFiFa
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4
votes
3 answers

Group manually entered date values depending on whether they are continuously the same over system log dates

Example Situation: An order system tracks manually entered due dates by recording a system log date that is always unique (this would be a datetime, but I've used dates for simplicity). I would like to assign a group or section to each due date…
jn4248
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4
votes
2 answers

R, find average length of consecutive time-steps in data.frame

I have the following data.frame with time column sorted in ascending order: colA=c(1,2,5,6,7,10,13,16,19,20,25,40,43,44,50,51,52,53,68,69,77,79,81,82) colB=rnorm(24) df=data.frame(time=colA, x=colB) How can I count and take the average of the…
aaaaa
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3
votes
1 answer

Grouping of grouped results in mongoDb

I apologize if the title is not precise enough, I'm not sure how to describe my problem better. I have the following data: Category: A, Group: 1 Category: A, Group: 1 Category: A, Group: 2 Category: A, Group: 3 Category: B, Group: 5 Category: B,…
Ptros
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3
votes
3 answers

How to combine consecutive N groups to one group each repetitive

I have this tibble with 8 groups: df <- structure(list(group1 = c(1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 8, 8)), class = c("tbl_df", "tbl", "data.frame"), row.names = c(NA, -16L)) group1 1 1 2 1 3 2 4 2 5 …
TarJae
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3
votes
3 answers

Split and group values in excel

Hi I have a column of values which has different suffix after a dot, i need it to group it based on the value after dot. Example i need to split all values that end with .pdf into one column, values with.xls as another column, etc,,, how to do this…
N S
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3
votes
2 answers

Calculate means including all factor levels but one

Using the dataframe mtcars I would like to add the column qsec_control which is calculated as the mean(qsec) of all rows that don't have the same cyl as the current row (e.g. if cyl == 6, it would take mean(qsec[cyl != 6])). The question feels…
Skywooo
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3
votes
3 answers

Nextflow input how to declare tuple in tuple

I am working with a nextflow workflow that, at a certain stage, groups a series of files by their sample id using groupTuple(), and resulting in a channel that looks like this: [sample_id, [file_A, file_B, ... , file_N]] [sample_id, [file_A, file_B,…
schmat_90
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3
votes
4 answers

Group similar strings with numbers and keep order of first appearance

I have a dataframe which looks like this example (just much larger): var <- c('Peter','Ben','Mary','Peter.1','Ben.1','Mary.1','Peter.2','Ben.2','Mary.2') v1 <- c(0.4, 0.6, 0.7, 0.3, 0.9, 0.2, 0.4, 0.6, 0.7) v2 <- c(0.5, 0.4, 0.2, 0.5, 0.4, 0.2, 0.1,…
Mina
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3
votes
1 answer

Keycloak "Advanced Claim To Group" identity provider mapper example

I am using Keycloak 18.0.2. Okta is one of my configured Identity Providers. I am using the OIDC provider (not SAML). I want to map the incoming groups claim from Okta to a user group I defined in Keycloak. I cannot find a lot of examples on how to…
AnnaSarteNicotera
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3
votes
2 answers

R group columns of return trips data

I have data of train trips and the number of delayed or cancelled trains that I would like to make the sum. Start End Delayed Cancelled Paris Rome 1 0 Brussels Berlin 4 6 Berlin Brussels 6 2 Rome …
hug
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2
votes
3 answers

How to sort and group on column using pandas loop

from a data frame df1 = Area Sequence X Y A 2 604582.25 320710 A 1 604590.25 320704.75 A 3 604579.25 320710 B 2 536584.47 176977.83 B 1 536570 176996.43 C 1 509202.13 307995.99 C 2 509205.3 307951.24 Need to generate into df1…
Vivek kanna Jayaprakash
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