Skip to main content

Questions tagged [wide-format-data]

A data frame is in 'wide format' when it spreads a variable across several columns.

wide-format-data
0 votes
1 answer
42 views

Dataframe from wide to long output

original wide data frame mean_SRBD: I have a data frame (mean_SRBD). The measurement moments (day 1, day 2, day 3) are included in the suffix of the variables (-D1 = day 1, -D2 = day 2). I want to go ...
Herrewegh's user avatar
0 votes
0 answers
7 views

How to transform nested data from long format to wide format without using nested structure?

I have a big dataset and have data in long format ('longdf') with one column for subjectnr., one for illness (e.g., rows are epilepsy, ms, diabetes etc.) and other columns for the variables (...
Lea's user avatar
  • 1
2 votes
3 answers
74 views

Converting dataframe from "wide" to "long" format with pairs of ID variables

Here's an example of what I am trying to do. I am starting with a dataframe in "wide" format, like below. #sample dataframe id_1 <- c(260, 500, 640, 720) id_2 <- c(261, 501, 641, 721) ...
wooden05's user avatar
  • 195
-1 votes
1 answer
46 views

How to convert wide-data to long-data format for big dataset? [closed]

I am conducting a cross-sectional online study about 54 illnesses, and have 10 variables/columns for participants' background information, then participants were randomly assigned to a set of 9 ...
Lea's user avatar
  • 1
2 votes
1 answer
25 views

How can I collapse repeated missing observations into a single nonmissing observation for the same ID in SAS?

I have a large dataset with hundreds of variables collected over several timepoints. The variables are already defined by timepoint, but each observation is a different timepoint. It's like the ...
sas_sister's user avatar
0 votes
0 answers
20 views

wide data with part of column name as value [duplicate]

I have the following data structure in R DE_GDP DE_INFL US_GDP US_INFL 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 ...
Rkid's user avatar
  • 33
-1 votes
2 answers
41 views

Pivot a longer dataframe to wide with multiple columns in R

I have a dataframe with 1000+ rows in a long format. I need to pivot into wider format using the ID as the pivoter. Pivoting it using pivot_wider only returns values in the first column, but not all ...
Koda's user avatar
  • 177
1 vote
2 answers
35 views

R : Reshape Long => wide with different value length

I want to reshape from long to wide the following data base df_long <- data.frame( indiv_id = c(rep(1,2), rep(2,6), rep(3,4)), value = c(sample(x = 2), sample(x = 6), sample(x = 4)), field_id ...
Jamman's user avatar
  • 11
0 votes
1 answer
98 views

Best way to format this data for exploratory factor analysis, using R? [closed]

I have extremely little experience with factor analysis so my question may beyond rudimentary/remedial. My question is about data formatting. I have this dataset (well, this is just the first two of ...
JeniFav's user avatar
  • 117
0 votes
1 answer
156 views

convert SQL output in databricks from long to wide

I have a very simple outcome in databricks that has 80M lines of data because there is a separate line for each PIN. The data is a listing by PIN with columns "pin", "device category&...
DataScienceDave's user avatar
0 votes
1 answer
29 views

R: Formatting a weird, long-ish table into wide format

I have some data in the format found in the code chunk. dat <- data.frame(fruit=c('apple',NA,NA,NA,NA,NA,NA,NA,NA, 'pear',NA,NA,NA,NA,NA,NA,NA,NA, ...
John's user avatar
  • 73
1 vote
1 answer
57 views

Using summarise in wide vs long format

I have a dataframe with the format below. Status has two levels (PRE,POST). SI_mean TU_mean ED_mean MT_mean DT_mean SK_mean ATT_mean Status 2.6 2.75 2.6 2.8 3.4 2.5 3.8 PRE 3 3 2.4 2.4 3 3 4 PRE 2....
Derf's user avatar
  • 657
1 vote
1 answer
51 views

Pandas Even Wider Data

I'm looking to make data even wider than what pd.pivot can provide, and am looking to even change the names of the columns to fit my needs. I have 3 items with 3 stats that perform differently in 2 ...
ZtoYi's user avatar
  • 192
2 votes
2 answers
61 views

R: Long to Wide dataframe with concatenation of column values into one

I have a dataframe with the following style. df = data.frame(Process = rep("Global", 6), Category = c("Category_1", "Category_1", "Category_2", &...
vic's user avatar
  • 401
0 votes
0 answers
14 views

Long to wide data using R

i'm working on machine learning with R. I want to import a dataset from excel sheet but to be more easy for me to work on it, i would like to transform my date sorted in multiple row for a same ...
DoctorBlood's user avatar

15 30 50 per page