Collapse string variable stata download

If the string variable contains anything but numbers, you can add the force option to tell stata to convert it anyway, but observations with any nonnumeric characters will get a missing value. However, i dont know what to do in this situation since product is a string variable. The syntax is just destring variable, replace, where variable should be replaced by the name of the variable or variables to be destringed. In this situation i will use the population variable. This is a fast option to statas collapse, with several additions.

One method of converting numbers stored as strings into numerical variables is to use a string function called real that translates numeric values stored as strings into numeric values stata can recognize as such. We want to create a 50observation dataset containing the means of age. How to restore variables labels after collapsing a dataset. You can download the raw code for the examples below here.

How can i quickly convert many string variables to numeric. Hello together, is there a command in stata which to search in string variable for a particular word and to return only this word. Wellmanaged data in stata generally have the following properties. You do the same thing to leftalign a numeric variable as you do a string variable.

The dataset is quite large, after collapsing i get 2. The first line of syntax reads in the dataset shown above. If cw is not specified, all possible observations are used for each. I am aware that if product were a numeric variable we could use the collapse command. Collapsing your data means to combine several cases into single lines. Recode the marital variable into a string variable and then back into a numeric variable. By default, the mean of one or several variables is created.

This is much liking creating statistics for groups of cases, but by collapsing your data a new data set is created that contains these statistics and can be put to further use. Create a new variable that associates each individual with the average number of hours worked among individuals with matching educational degrees see the last by example for inspiration. For more information on how to collapse data, check out. Unlike collapse, however, first, last, firstnm, lastnm for string variables are not supported.

As was mentioned very recently, you should not send attachments to statalist. Description collapse converts the dataset in memory into a dataset of means, sums, medians, etc. Collapsing data across observations stata learning modules sometimes you have data files that need to be collapsed to be useful to you. Instead, you have to use first, last, firstnm, or lastnm which is fine if the. Although it seems like region is a string variable, it is really a numeric variable with an attached value label. The following program does everything that the collapse command does, but preserves the variable and value labels.

Instead, you have to use first, last, firstnm, or lastnm which is fine if the string variable is constant within the group and problematic otherwise. Collapsing data across observations stata learning modules. Fortunately stata gives you a very simple way to weight your data based on frequency. For example, you might have student data but you really want classroom data, or you might have weekly data but you want monthly data, etc. Running collapse command in stata without losing key variables. Using the collapse command in stata the analysis factor. Observations are distinct on a variable list if they differ with respect to that variable list. I want to collapse the data in stata such that the data appears as.