spread Questions

6

I have this code in Typescript: const [history, setHistory] = useState([Array(9).fill(null)]); const newHistory = history.slice(0, currentStep + 1); and when I want to set new State using spread ...
Lignocellulose asked 13/8, 2021 at 8:2

10

Solved

When I'm trying to use spreading in typescript like: .reduce((unique, x) => { unique.some(element => element.machineName === x.machineName) ? unique : [...unique, x]; } I get warning with...
Odom asked 10/10, 2019 at 18:39

4

Solved

If you want to try these new functions (pivot_wide and pivot long), you need to install the development version of tidyr: devtools::install_github("tidyverse/tidyr"). But I have not manag...
Pharmacist asked 10/6, 2019 at 21:54

1

I would like to know how to keep ordering after spread. data<-tibble(var=c("A","C","D","B"), score=c(1,2,4,3)) data_spread <-data%>%spread(key = var, value = score) I would like to kee...
Ankledeep asked 15/8, 2019 at 18:42

1

Solved

I was wondering what is the time complexity of using spread with an array in JavaScript. Is it linear O(n) or constant O(1)? Example of syntax below: let lar = Math.max(...nums)
Windowsill asked 15/7, 2019 at 1:30

3

Solved

I am trying to pass an object with the column name to the spread function, but instead of reading the value inside the object it just tries to use the object name itself Here just a toy example l...
Flexure asked 6/6, 2016 at 11:8

3

Solved

Seen discussions here but it has been 2 years! I don't know if I'm using this right but I have the following sass/compass code: +text-shadow(red 0 3px 0 3px) Generating the following css: text...
Bibliopegy asked 5/1, 2013 at 20:33

1

Solved

There has been questions on this topic before here, but I am still struggling with spreading this. I would like so each state to have its own column of temperatures values. Here is a dput() ...
Milda asked 22/1, 2018 at 14:17

2

Solved

I am trying to spread() a couple of key/value pairs but the common value column does not collapse. I think that it may have to do with some previous processing, or more likely I do not know the rig...
Bemused asked 8/10, 2017 at 1:37

1

Solved

I'm preparing data for a network meta-analysis and I am having difficult in tyding the columns. If I have this initial dataset: Study Trt y sd n 1 1 -1.22 3.70 54 1 3 -1.53 4.28 95 2 1 -0.30 4.40...
Beeler asked 29/4, 2017 at 11:57

2

Solved

I have a factor column. I would like to spread into one column for each factor and then fill the gaps by the count of that factor appears for each id. Suppose we have: car <- c("a","b","b","b",...
Linwoodlinz asked 6/11, 2016 at 20:23

2

How do I change the following table from: Type Name Answer n TypeA Apple Yes 5 TypeA Apple No 10 TypeA Apple DK 8 TypeA Apple NA 20 TypeA Orange Yes 6 TypeA Orange No 11 TypeA Orange DK 8 TypeA Or...
Trochophore asked 8/1, 2016 at 19:47

2

Solved

I have a data frame that I need to pivot but the data frame has duplicate identifiers, so spread function gives an error Error: Duplicate identifiers for rows (5, 6) Dimension = c("A","A","B","B",...
Grumpy asked 3/7, 2015 at 14:40

1

Solved

I was manipulating my data and found that I did something wrong at some point in the process. When I explored the issue, the problem came down to the following behavior of spread() in the tidyr pac...
Northerner asked 6/10, 2014 at 17:42

2

Solved

Here is toy data set for this example: data <- data.frame(x=rep(c("red","blue","green"),each=4), y=rep(letters[1:4],3), value.1 = 1:12, value.2 = 13:24) x y value.1 value.2 1 red a 1 13...
Echols asked 24/9, 2014 at 14:46

2

I'm trying to write a program in Mathematica that will simulate the way charged ball bearings spread out when they are charged with like charges (they repel each other). My program so far keeps the...
Pack asked 30/12, 2011 at 2:43

8

Here is my code $product_option_value_data[] = array( 'product_option_value_id' => $product_option_value['product_option_value_id'], if (isset($product_option_value_description_query-&gt...
Ilene asked 30/11, 2011 at 17:2
1

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