Reshape stata long to wide Link to " I would like this in a wide format with the following output: id var1. In this post, we demonstrate how to convert datasets between wide form and long form. These show common examples of reshaping data, but do not exhaustively demonstrate the different kinds of data You can use the following syntax to convert a PySpark DataFrame from a long format to a wide format: df_wide = df. org. First we write reshape This module illustrates the power (and simplicity) of Stata in its ability to reshape data files. Wide-to-long reshaping is used to convert data that is already in wide format into long format. It's a First of all, you can obtain this new version of reshape by updating the Stata ado-files. Last edited by Goh jedrek ; 07 Problems with conventional reshaping code appear because data have two layers: It should first be reshaped wide so that each observation uniquely identify a person and a Welcome to Statalist, Lawrence. Since I have to many variables I use the command "set maxvar 32767, permanently". 为了方便理解，特把id的具体变量设置成了公司字母，实际操作过程中应当是数字，因为stata无法识别字符型的数据，只能识 If I am right about that, including them in the -reshape wide- command would just result in making multiple copies of the exact same values, which is, at best pointless, and at In Stata, I would like to be able to bring value labels up into variable labels when reshaping wide. Join Date: Apr 2015; Posts: What is your rule for deciding, in your example of dyad 2020, that 1987 is assigned to the interval starting at 19871003 rather than the interval ending at 19871002? 636 A sparser, speedier reshape Table4. market indicates the ID of the market the focal firm entered at T. Wide format I want to reshape my dataset from wide to long format and keep the label information as a new variable. Convert wide-like data to a Please advise syntax to reshape long to wide format for variables "fs_b4exit fsY1 fsY2 fsY3 fsY4" each coded 0/1 for the time period "delay". The primary variable, 'measure', is a count of how many people in each organization fall into some Reshaping data to long Today, 21:27 Hi, hence I am forced to transform the wide data to a long format in Stata. Here is the code Forums for Discussing Stata; General; You are not logged in. 1329 10808. I try to be clearer: for each individual This will read each file, identify the year of the data in the file by extracting it from the age#### variable, -reshape- the data to long layout, and then save the resulting long data Reshaping data from wide to long in stata Hot Network Questions Is there any geographic resource that lists all the alpine peaks in Germany, Austria, Switzerland, France, etc. I think this is why the Stata cant uniquely identify the variable Forums for Discussing Stata; General; You are not logged in. 3 and I want to reshape it to long type data as follows, table B: cou Stata - Reshaping data from long to wide for analysis. g. My understanding of reshape long to wide is that there needs to be an i option (that specifies each variable) and a j option (that identifies the repeated observations for each My dataset has Annual expense fees for years ranging from 2019 to 2022. I have tried to use the "reshape" function from the "reshape" library to do it. 55 (and so on) I've tried using reshape function in base R I am trying to reshape wide to long with a dataset that has multiple groups of variables, formatted with variables similar to the following: If you are running Stata version I am using Stata 16 MP My questionnaire dataset: obs: 15,445 vars: 2,688 size: 109. At least it can be done that way; and, further, that seems essential because years need to be long, not wide, and the measure(s) need to be wide, not Reshape Long to Wide to create dummy variables 11 Feb 2019, 09:13. https://www. Not the iption reshape converts data from wide to long form and vice. Viewed 99k times The reason of the transformation from wide to long is that, in the next stage, I would like to Essentially, I have one common variable i (inc_key) to use in reshape but there is no unique j variable to use with reshape such as year or numbering of any kind since the order Your data layout looks like wide layout to me. 02 85. A It is almost axiomatic among those who respond to Stata questions both here and on Statalist that, with few exceptions, Stata makes it much more straightforward to accomplish Hello, I need to organize my data and convert it from wide to long. Hi all- I have a fairly large "long" data set (47,000+ rows) where each row is information on 1 health clinic visit for a patient. Gather is basically reshape long and spread is reshape wide. I have read all previous posts and guides but I cannot figure out how to reshape my data. This question is in a collective: a subcommunity defined by tags with relevant content and experts. All you have to do is to chose for the data to be displayed in the long That said, why are you -reshape-ing this data set to wide? There are only a few things that can be efficiently done in Stata (or done at all) in wide layout. So there is no problem reshaping variables ev902 and ev902a. Posts; Latest Activity Clear All. Once you have obtained and installed the latest ado-file update, you can type The Your next post is likely to be asking for help with some analysis, and the first part of the solution will be to -reshape- back to long! Think about it carefully. How to reshape a SQLite reshape long to wide for many keys. Hello Sami, One possible alternative is to use the Stata module wbopendata, which does have a reshape option embeded. I have 846 firms (listed in one column), each having daily Forums for Discussing Stata; General; You are not logged in. R Language Collective Join the discussion. stata. These examples take long data files and reshape them into wide form. reshape and merge in stata. 71 1. my data in wide format looks like this: I have the following Data-Matrix: in the rows i have the different companies, and in the stata; or ask your own question. Mustillo" < [email protected] > To [email protected] Subject Re: st: Reshape from wide to long with some missing observations: Date Mon, 30 Sep 2002 21:04:24 -0400 Here, I would like to reshape the wide format to the long format, with the long variable "year". Posts; Latest Activity; Search Filtered by: Clear All. These examples take wide data files and reshape them into long form. The objective is to use different variables in the value. What For more information on Statalist, see the FAQ. I have a data. How to reshape a variable to wide in my dataset? 0. 10 var1. After reading about ´reshape2´, I've used this: dcast(a, day + sessions ~ hour) Using example data from the World Bank we show how to transform a "wide" format panel to a "long" format panel in Stata using the "reshape" command. I currently have data that looks like this: a X 0 a Y 0 a Y 1 b X 0 b Y 0 b Z 1 c X 1 It's particularly helpful How can I reshape the dataset below from long to wide in Stata? a1 a2 NAME Jane SEX female PHONE 234 SCORE 9 NAME John SEX male PHONE 444 SCORE 10 For more information on Statalist, see the FAQ. This example also introduces two new options of the if you type reshape long after you I am trying to reshape my data from long to wide format using the rolling windows (over the past 5 years). 13 as suffix from 1 and 3 I multiply 1 by 10 and add 3. I want to convert this to monthly and reshape it from wide to long format for each secid. The long layout is by I am having difficulties with reshape long for the NLSY97 data in Stata 14. It would take a very long time to create a replica of that data in Stata: From "Sarah A. Examplelong-formdata,droppingalli–j pairswithallmissingX ij data Patent InventorNumber Inventor ApplicationDate 1540476 1 Stata - Reshaping data from long to wide for analysis. groupBy(' team '). comCopyright 2011-2019 Sta This video provides a short demonstration of how to restructure repeated measures data in Stata from wide format to long format using the reshape command. Ask Question Asked 8 years, 9 months ago. How to I am having trouble figuring out the most elegant and flexible way to switch data from long format to wide format when I have more than one measure variable I want to bring along. Modified 1 year, 10 months ago. So if I From "Sarah Edgington" < [email protected] > To < [email protected] > Subject st: RE: Reshape from long to wide and attaching Labels contained in a Variable. The immediate first problem with your syntax is not specifying the string option of reshape as the suffixes jan dec are surely not Reshape wide to long without variable prefix 27 Apr 2023, 04:15. x a 1 x b 2 x c 3 y a 3 y b 3 y c 2 I want this in matrix form so I Now we can go ahead and reshape the data from wide to long with id as the subject identifier. I do not know how to proceed with the stata code. +-----+ | 2 2 7 8 | +-----+ long to wide: reshape wide a b, i(i) j(j) (j existing variable) Stata: Data Analysis and Statistical Software . Well, what you are seeking is actually to reshape your data from wide (by city and mode, with quarterly values) to wide (by city and quarter, with Thanks for your suggestion, but I couldnt really duplicate your solution, so I worked around it (also seems to me like less transformation work included): Generated a Note in cases of going from long-long to wide-wide, multiple reshape commands are necessary. Reshaping Panel data from wide to long Reshape long to wide 22 Jun 2023, 04:26. I wish to reshape this data to long format, where each variable (x1, x2 and x3) is I am trying to convert a long data set to wide, with uneven number of observations. I am struggling to transform How to reshape data from long to wide format (15 answers) Closed 5 years ago. I have a dataset that requires me to reshape the format from long to wide based You need two calls to reshape as a long is needed to get different years as observations and a wide is needed to get different items as variables. Reshape Data from Long to Wide So here's my trouble: I'd like to reshape a long-format data file to wide. However, the original dataset is already in a long format with multiple observations for each given individual. Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist. There is a daily return price for each Dear Statalist, I am trying to reshape the following data from a wide to a long format, but not able to because of the way variable names are entered. These examples take long data files and reshape them into wide form. Re: st: Reshape from wide to long. sum(' points ') In this Inspired by a comment from @gsk3 on a question about reshaping data, I started doing a little bit of experimentation with reshaping data where the variable names have Stata - Reshaping data from long to wide for analysis. the first variable is a unique identifier. Posts; Latest Activity; Search. Page of 1. Convert wide-like data to a long one in Stata? 1. Related: The Reshaping data from wide to long in stata Hot Network Questions Novel where the protagonists find the Garden of Eden and learn those living there were a non-human intelligent They have a modicum of uniformity that allows me to import them but at the final step of reshaping them from wide to long I am stumbling. . No announcement yet. var parameter but R My data is currently organized in Stata as follows: iso_code indicator value ALB Share of employees in agriculture (% of total employee Hi, I would like to reshape my dataset below to a wide format such that my first column contains only single values while the second column contains same values. 1. The data set is the collection of questions and answers from student's questionary. These examples cover some I'm trying to reshape this dataset from long to wide. Clear All. The set obs 7 is I have data in long format and am trying to reshape to wide, but there doesn't seem to be a straightforward way to do this using melt/stack/unstack: Salesman Height product price For more information on Statalist, see the FAQ. The data currently has each term in a different variable, and I want to reshape it wide to long. In terms of the reshape— Convert data from wide to long form and vice versa 5 Example 1 For example, we might have data on a person’s ID, gender, and annual income over the years 1980–1982. The issue is that I have two variables, but they aren't both in the wide format. Collapse. Patients have The limit has to do with the way Stata creates the variable _count, which involves tabulate. Note in cases of going from long-long to These examples take wide data files and reshape them into long form. ? This tutorial discusses how to convert long format data to wide format, and wide format data to long format with the help of reshape command available in Stata. How to reshape long to wide data in Stata? 0. To install: ssc install dataex clear input Essentially, I have a column with the date (month and year), a column with the geographical granularity (from country to area to city), a column with the variable name, another column with the categories in which each variable is divided I have a longitudinal survey dataset. new posts. Your j variable must be such that it uniquely identifies observations within firm groups. You did make two syntax errors- using reshape instead of mi reshape and using mi extract = 0 instead of the correct mi extract 0, which would have Hello, I used the following command to reshape data from wide to long (example of the data below). George Should I rename each variable one by one so that it may look like var0, var1, var2,, var31 before using reshape? Or is there any better way to do the job? Q2) If I have For more information on Statalist, see the FAQ. i() is re. Date Thu, 29 Aug 2013 Hi Statalist, I'm working with college scholarship data that comes by term and year. you hav This video demonstrates how to reshape data from long format to wide format in Stata using the *reshape* command. Convert wide-like data to a long one in Stata? 0. The frequent need for a I’m trying to reshape my data from long to wide formula using the dcast function from reshape2. Each respondent in the data was asked to name 3 associates who they ask for It's a double reshape. Reshaping . From: Lars Folkestad <[email protected]> Prev by Date: Re: st: Survival Analysis: How You can use the following basic syntax to convert a pandas DataFrame from a long format to a wide format: df = pd. I want to For more information on Statalist, see the FAQ. However, I don't have a unique "j" variable; each record in the long-format file has several key variables. Hello, I would like to reshape data that I would characterize as "triply" long. Dear All, How can I reshpae the I have a data set that looks like (see below), where x1-x4 are observations for 4 different individuals. I want to stack these into a panel, including a date column, and a column It is wide because teh original data set is wide. Now I would like to reshape it into a long version, since most analysis can be done in long version. However, it's doesn't match what my problem was. I do have about 7000 variables. Serena Gallo. I have given you a sample of the Stata - Reshaping data from long to wide for analysis. Keep in Mind If your data has multiple observations per individual/time, then standard reshaping techniques Beware of typos and minor errors. frame that looks like this. If the first variable is, for example, student name, it will appear only once in the data. 71 -1. To successfully reshape your data, This particular example converts a wide DataFrame named df to a long DataFrame named df_long. From: Nick Cox <[email protected]> Re: st: Reshape from wide to long. In this illustration, there are two companies with IDs 10500 and 222622. I am trying to reshape my data from wide to long format. There is one The code here is very confused and just won't work well without major surgery. ptions i(varlist) specifies the variables whose unique values denote a logical observation. X. 0. To [email protected] Subject st: reshape wide to Hi everyone :) I hope this will be a relatively easy problem to solve. This is achieved by the use of: Long-to-Wide Reshaping data; Wide-to-long Reshaping data. Announcement. How to reshape long to wide data in Stata? 1. As part of the reshape command we create a variable called seq which will be the sequence Thanks Zhen Sun, this looks like a much cleaner approach. If I do that by concatenation of characters I then have to destring it because reshape prefers numeric Hello everybody, I need to reshape wide data to long. But it is not surprising the --reshape-- My data are in the following wide format, in rows according to SUBJECT_ID, with a total of observations of variables X and Y and then various columns of metadata e. The problem preventing me from doing a simple reshape in Stata, is that there may be 2 going from long to wide requires variable names (in fairness, this is pointed out later in the notes). These show common I found the excellent thread Stata | FAQ: How can I apply the original value and variable labels after using the reshape command?, which gives instructions on how to apply To get e. The I have a long format data set that I want to change into wide. famid faminc96 faminc97 faminc98 1 40000 40500 41000 2 45000 45400 45800 3 75000 76000 77000 . The experienced users here generally agree that, with few exceptions, Stata's reshape wide to long in stata but new variable contains all missing values. How can i do 文章浏览阅读8. https://www. The example data you show in #5 is the output of a -list- command. The location variable doesn't have a mistake. A lot of people are used You're trying to reshape your data from wide to long format in Stata, but you're encountering an issue with the "variable date not found". 0. Patients have multiple visits so multiple rows. How to transform long to wide data in Stata? 0. Below is an example of using SAS proc transpose This hands-on tutorial shows how to reshape data from wide to longitudinal format in Stata13. Firm 21, for example, has several observations with This module illustrates the power and simplicity of Stata in its ability to reshape data files. SQL: Convert a Narrow Table to a Wide Table. pivot(' player '). I want to transform from long to wide so I can determine discrepancies from the first wave to the second wave. The following example shows how to use this syntax in practice. We I have problems in reshaping data from wide to long format: I have no identifier variable for the wide variables. We I am trying to reshape Data from wide to long in R. I am looking to reshape this long dataset into a wide one. They state: "New pivot_longer() and pivot_wider() provide modern alternatives to Siffrorna måste vara på slutet för att Stata ska fatta. So there would be no way for In the above, I have information by individual id, for different years, for the variables x1, x2 and x3. 15 var1. reshape converts data from wide to long form and vice versa. I have I changed the data format from long to wide (variable 'binary') and the data is in form: Code: ID ProgramID binary666 binary667 binary 721 1 2 0 1 1 1 4 1 1 - 1 3 1 - 1 From Russell Dimond < [email protected] > To [email protected] Subject Re: st: Reshaping long to wide data from complex experimental design: Date Fri, 30 Nov 2012 12:05:22 -0600 The reshape command provides an easy way of moving your dataset between wide and long formats. 2. Reshaping complex dataset in Stata, long to wide. My dataset is quite wide. How to transform panel data between long and wide format using the reshape command in Stata. A simple explanation of wide vs long is that a wide dataset holds all information for an Hi all, I would like to reshape wide my unbalanced database which looks as follow: * Example generated by -dataex-. Filter. 23M The data is in wide format and IDNo and kzb are the unique identifiers. This is also known as "reshaping data". merging the lines of a sqlite query. Reshaping is often needed when you work with datasets that The following chart explains how to switch between these various formats, giving both a good idea of reshape's full capabilities and how to use them. I've reached a halfway point after successfully making my data reshape— Convert data from wide to long form and vice versa 5 Example 1 For example, we might have data on a person’s ID, gender, and annual income over the years 1980–1982. I would like to back up a step and consider whether it is necessary to reshape your data to wide. new As you have it, it's not possible. pivot (df, index=' col1 ', columns=' col2 ', values=' col3 ') In this into a wide format (shown below). Code: ds cg_* ce_* local varlist = ustrregexra("`r(v reshape2l is a Stata module to quickly convert data from wide to long form. However, I think the other question is posed in such general terms that I found it Reshape wide to long in pandas. 3k次，点赞7次，收藏26次。reshape long和wide函数怎么用？运用具体的例子实现. I Reshaping is the method of converting wide-format data to long and vice versa. Whether the data is long for This tutorial discusses how to convert long format data to wide format, and wide format data to long format with the help of reshape command available in Stata. xlsx dataset used for this tutor Hello, I relatively new to STATA and would really appreciate some help! I am trying to covert my dataset from long to wide using below command: reshape wide Hello all, good morning. E. comCopyright 2011-2019 St I have a fairly large "long" data set (47,000+ rows) where each row is information on 1 health clinic visit for a patient. For Forums for Discussing Stata; General; You are not logged in. bysort id: generate missvar = _n if diff_bd <= 2 . The reshape command from wide to long¶ The command is very similar to what we did previously, but not entirely. Stata - panel data from column data. Scott Merryman < [email protected] > To [email I am asked to reshape data from long to wide, so that each machine is an observation. As you can see, each subject has a unique lab test per visit, but the problem is some patients have multiple different tests Finally, you can reshape the data using the day and id variables: reshape wide random_variable, i(day) j(id) This yields 16 columns: the 15 columns you requested as well as I am trying to reshape a dataset in Stata to a long format. I think this is a basic questions, but I'm stucked. 5 var1. It is primarily used in situations where stubnames are followed by numeric parts, which is often the case for raw I can see that the answer to the other question is the same as the answer to my question. Hello! I have data that looks something like this (466 observations, 489 variables): Code: * Example generated How would I use Stata's reshape command to change this into a long table with country-year rows, like the following?----- | Country| Year | GDP | | A | 1990 Stata - Stata: Data Analysis and Statistical Software . What you can do is split the As a stata to r convert who loved reshape in stata, I found tidyr::gather and tidyr::spread to be very intuitive. You can browse but not post. Login or Register by clicking 'Login or Register' at the top-right of this page. Hi, I Do you know for sure that you will be doing one of the few things in Stata that works better with wide data than long? Long 将竖向的列变为横向的行，即为“长转宽”；将横的行变为竖向的列，即为“宽转长”。在 Stata 中，通过 reshape 命令可以实现长宽数据转换。一、基本语法** 宽数据转化为长数据 I have a table A like this: cou own ind aus_d_a usa_f_b AUS D A 3268. Shanaz I am trying to reshape my dataframe from long to wide using Spark DataFrame API. On the other hand, a long form data is one where the first column can repeat multiple times. 1 0. My raw data looks like this: patient hosp_id hosp_name charges Andrew 1 This video demonstrates how to reshape data from wide format to long format in Stata using the *reshape* command. 51 0. Stata While downloding data from certain sources say IMF or world bank or stock prices, you may get the data in format that you do not wish to retain. This means that it can handle at most 12,000 variables. 20 . The reshaping will be done with fartyid as my unique ID conditional on landingsdato, meaning that a new You could easily adapt the process to convert wide to long data. set reshape favor specifies whether, when performing the data conversion, reshape should favor conserving memory (memory) or First I try to find the time difference; bysort id: gen diff_bd = (test_date[_n] - test_date[_n-1])/(1000*60*60) . These show common examples of reshaping data but do not exhaustively demonstrate the different kinds of data A dataset is said to be in wide form when data in the first column is not repeated i. At the outset your input statement fails to declare string variables when needed. R reshape I need help transforming a long df to a wide one. 087 AUS D B 92. reshape wide to long 27 Jun 2021, 19:59. Stata multiple level reshape I think this may be the canonical answer here: Reshaping multiple sets of measurement columns (wide format) into single columns (long format) – Henrik Commented This should go to Statalist. Wide format According to the tidyverse blog gather is now retired and as been replaced by pivot_longer. e. Here is the link to the engee2. I am trying to reshape a data from wide to long for fitting a linear model.
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