Questions tagged [replicate]
280 questions
1
vote
3 answers
Generating a vector with n repetitions of x, then y, then z, with a fixed upper bound
I am trying to create a vector where I have 3 repetitions of the number 1, then 3 repetitions of the number 2, and so on up to, for instance, 3 repetitions of the number 36.
c(1,1,1,2,2,2,3,3,3,4,4,4,5,5,5...)
I have tried the following use of…
Cameron
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- 6
1
vote
1 answer
How to generate a script to create all tables with different schema
I have about 200 tables in a schema.
I need to replicate these tables in a new backup schema with an automatic procedure.
I would like to create a procedure to dynamically recreate all the Tables in a Schema (potentially dynamic number of tables and…
Lorenzo Vigano
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- 4
1
vote
4 answers
Separating Parameters in Repeated Function Calls
With a vector of values, I want each value to be called on a function
values = 1:10
rnorm(100, mean=values, sd=1)
mean = values repeats the sequence (1,2,3,4,5,6,7,8,9,10). How can I get a matrix, each with 100 observations and using a single…
TVB22
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1
vote
2 answers
R - Identifying only strings ending with A and B in a column
I have a column in a data frame in R that contains sample names. Some names are identical except that they end in A or B at the end, and some samples repeat themselves, like this:
df <- data.frame(Samples = c("S_026A", "S_026B", "S_028A", "S_028B",…
Purrsia
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1
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1 answer
How to replicate/ copy pandas dataframe rows
I need to copy the same block of rows 3 times exact below this blocks. Like below example.
DataFrame (df1):-
S.No Cal Date DFM
1 8 01-03-2013 100.00%
1 7 01-06-2013 100.00%
1 …
Yaser
- 61
- 6
1
vote
1 answer
Python - Replicate rows in Pandas Dataframe based on condition
I have a Pandas DataFrame on which I need to replicate some of the rows based on the presence of a given list of values in certain columns. If a row contains one of these values in the specified columns, then I need to replicate that row.
df =…
Fsanna
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1
vote
2 answers
How to check if the value "TRUE" occurs consecutively for x number of times in R?
I am trying to find 'x' or more consecutive missing dates for each group in R.
My current approach involves:
Using a for loop over each group
Find missing dates
Find how many of these missing dates are consecutive (here I get a logical vector,…
learning_to_code
- 69
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1
vote
1 answer
R - copy values from cells to empty cells within same columns
I have a dataset with answers to a likert scale and reaction times that are both results of a experimental manipulation. Ideally I would like to copy the Likert_Answer values and align them to the experimental manipulation associated with that…
Lucas
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1
vote
3 answers
Iterate through times argument in rep()-function and store result in new variable in R
I have a dataframe which looks like this:
> df
1 2 3 4 5 7 8 9 10 11 12 13 14 15 16
1 6 0 0 0 0 0 3 0 0 0 0 0 0 1
I try to replicate the number 1540 by the entries in the df and store them in length(df) new variables. So,…
sdaniel24
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1
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0 answers
Azure Synapse , REPLICATED TABLE
I Create a small dummy table(with 1728 rows) with Distribution as "REPLICATE"
"
Create table complaints_stg.Employee4
with
(
clustered columnstore index,
Distribution = REPLICATE
)
as
select * from #abc
"
but when i do " DBCC…
amar
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1
vote
1 answer
Replicate specific rows and separate str column values pandas
I have the following dataframe
index city pop
1 London 1000
2 Buenos Aires 2054
3 New York 34544
4 Paris-Madrid 34343
5 Barcelona-Lagos 64544
What I expect to do:
index city …
jimmy
- 340
- 2
- 13
1
vote
1 answer
How to use the replicate function in R to repeat the function
I have a problem when using replicate to repeat the function.
I tried to use the bootstrap to fit
a quadratic model using concentration as the predictor and Total_lignin as the response and going to report an estimate of the maximum with a…
Fox_Summer
- 149
- 6
1
vote
1 answer
Create a function that replicates other function 100 times
I am trying to create a function that replicates 100 times other two functions and then calculate the average of the those values.
I have a matrix like this:
str(pref)
#num [1:9, 1:158] 4 9 15 6 7 8 6 11 11 4 ...
#- attr(*, "dimnames")=List of 2
#…
rodrigarco
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1
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1 answer
How replicate () an apply process with random function inside in r?
I want to run several times (B times, suppose) an apply that gives me a data.frame based on a random data generated by another function. I want to do that without a for-loop (I've tried using for and it works but I want to do it with replicate() or…
Jesús Valencia
- 13
- 5
1
vote
1 answer
Replicate rows and columns in pandas Dataframe
I would like to expand and replicate rows and columns multiple times (30 times) in a pandas DataFrame, which has 36 columns and 28 rows. Thus the result should be a 1.080 x 840 matrix.
Example:
ARG BRA BRN
AUS 2.93 3.06 3.56
AUT…
Alexander Hempfing
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