In stata, how do i display numeric values with commas. To determine whether a string is a valid representation of a specified numeric type, use the static tryparse method that is implemented by all primitive numeric types and also by types such as datetime and ipaddress. Converting numeric to string statalist the stata forum. Based on your input, get a random alpha numeric string. In spss, to convert a numeric variable to a string variable, use the string function. How to convert char to numeric sas support communities. The following conventions must be followed for stata to read your. Reed college stata help changing string variables to. Hi statalist, i am facing a problem with destring a variable. Date prev date next thread prev thread next date index thread index. This function is used to find the length of a word. I have two variables in stata, both numeric variables that have somehow been recorded as string variables. This example uses put function to convert numeric data to character data.
So technically, the source right now is string and the destination is numeric 18,2. The output string variable may either replace the input. Any variable in statas numeric format begins with a % sign. The following examples show how to use these rules to convert from characternumeric or numericcharacter. In the example above, a8 indicates a string variable eight. However, the other 3 variables contain system missings so we. Odd numbers of characters in string variables were soon allowed in stata 2. Sas stores dates as the number of days since 01jan1960, the same as stata gen statadate sasdate. Suppose you have a 6digit numeric observation id, code, where the first 2 digits represent geographic code and the last 4 digits represent unique observation codes, and you want to generate a new variable, reg, that represents the 2digit geographic code. Hi, does any one know of a solution to stop excel converting string values such as 001 to a numeric field of 1. A very basic question i would appreciate help with. Numbers in stata can take a variety of interesting formats, including negative values, decimals and positive and negative scienfitic notation e. How to convert string into numeric form in spss without.
Converting numeric into string using the value labels. The output string variable may either replace the input numeric variable or be generated as. If you create a frequency table of this variable analyze descriptive statistics frequencies, you will notice something strange. If you have a string variable that has only numbers in.
In a case where your string variables are in fact strings e. In spss, recoding categorical string variables to numeric codes and converting blank strings to missing values can be done automatically using automatic recode. Jan 05, 2011 it is usually possible to adjust the numeric date or datetime values to the sentinel date and units that stata uses. The stata blog using dates and times from other software. And you use a numeric format in the string function, to select what string. For a given row, columns are added to the local recursively, separated by a space.
Convert dta file to exceldownload free software programs online. Wordstat for stata was created to allow stata and stata 15 users running under windows, to apply text analytics techniques on any string variables stored in a stata data file. From there what you do depends on how you want the data to be displayed. The example dataset, hsbs, is a subset of the high school and beyond data file with all of the variables as string variables.
Since weve 480 cases in our data, were done for s1. Below are conversion rules for sas, spss, r, excel, and open office. Wordstat combines natural language processing, content analysis and statistical techniques to quickly extract topics, patterns and relationships in large amount of text. In the sample data file, the variable state is a string variable representing whether the student is an instate student or an outofstate student.
Wordstat for stata content analysis and text mining tool. The great divide among data types in stata is between numeric and. Here is one example where you need to preserve the numerical format for strings. Convert between datetime arrays, numbers, and text overview. Worldwriter does have conversion capability and i rarely use ww so i dont recall if you want decimal, digits, or something else.
Statistical software components from boston college department of economics. The put function writes values with a specified format. The random string generator creates a series of numbers and letters that have no pattern. Check that the columns dont contain any unintended characters. B put converts numeric variable to a character variable with numeric value. Fortunately, stata offers some easy ways for converting string to numeric variables and vice versa. However, two records have incorrect diagnoses that appear to be legitimate. The following document provides an example of how to. For example, suppose a numeric variable gnp has a value of 12345678. I suspect you want to do this but without seeing your variable names its just guesswork. Roger newson statistical software components from boston college department of economics.
As these are at least suspicious, well call those conversion failures. C put converts character variable with a user defined format to another character variable. In stata, how do i display numeric values with commas inserted. Excel converts string to numeric sas support communities. All the locals created are indexed by a sequential identi er which allows users to manage. A put converts character variable to another character variable. Even though stata can handly string variables, it is clear in many respects that numeric variables are much preferred. However, it matters quite a bit for a code like 038. How can i quickly convert many string variables to numeric. Sep 27, 2016 convert variables from string to numeric in stata duration.
Running this command will cause stata to make a new numeric categorical variable wherein the data has labels that correspond to the old string values. How to convert multiple string varibles into numeric in spss. Hello, you can save the file as csv in excel, then open it in spss. The module is made available under terms of the gpl v3. Unlike mata, stata does not allow users to create matrices containing string values. 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. For example, if string cell value is s1 it will be lost if converting it to numeric regards. But today i found a more convenient way of splitting numbers by using nsplit dan blanchette. Stata can store numbers with differing levels of precision, as described in the table below.
So how do we know if a variable is string or numeric. Notice, if it matters to you that this does not convert a numeric variable to a string variable. So technically, the source right now is string and the destination is numeric18,2. Watch how to convert a string variable to a numeric variable. It provides a wide range of statistical analysis, data management, and graphics. In spss, how do i convert between numeric variables and. How do i convert string variables to numeric variables in stata. Missing numeric data should be coded as an empty cell, not a space, dot. The following document provides an example of how to create. Preserving numerical format after string transformation. Jul, 2017 convert variables from string to numeric in stata earnings management data. Convert between datetime arrays, numbers, and text.
We recommend that practitioners store each row of a string matrix in a separate local. Some users of excel or similar programs get in the habit of putting several lines of. As you can see from the second tabulate, region2 has the numeric values 1 through 4 but retains the strings central, east, south and west as value labels. Stata module to decode a numeric variable into a string variable, statistical software components s417702, boston college department of economics, revised 30 sep 20. The conversion also resulted in 1,048 incorrect codes, of which 1,046 are undefined codes. With this utility you generate a 16 character output based on your input of numbers and upper and lower case letters. Since the default variable type in spss is numeric, you need to define your string variable in advance. I need help with changing a variable from numeric to string. It is usually possible to adjust the numeric date or datetime values to the sentinel date and units that stata uses. With convert keyword, you can convert a variable type from string to numeric. If you have a string variable that has only numbers in it, then you can alternatively use the real function.
However, in many situations it is better to convert only character columns to numeric i. Sep 01, 2010 here is one example where you need to preserve the numerical format for strings. Stata is a complete, integrated statistical software package created by statacorp lp. An example of when one might need to do this is if they needed to append. This function is used to display a number in the given format. I need them converted to numeric variables so that i can generate a new variable with them. To insert commas into the numeric value, use this command. Ditto for 4byte and 8byte numerics the string length and the number of leading spaces is dictated by the length of the maximum numeric value that it can hold. My variable named dealvalue has 72914 observations. For converting metric string variables holding just numbers into numeric variables, see spss convert string to numeric variable. If you have a string variable and want to convert it to a numeric variable, you can use the encode command.
Convert character to numeric in r example for string. It is useful for converting numbers to text for insertion in graph or table titles, captions, or labels. The informat tells sas how to read the data, and it should be read as numeric. Data conversion string to numeric solutions experts. The first tabulate looks identical to the tabulate done on the string variable region above. Also, the replace option of tostring doesnt take other parameters. How do i convert string variables to numeric variables in.
Truncation and potential truncation of data andor labels 1. Converting string to numeric data in spss will make you lose any data other than numbers. Precisely, well flag non empty string values that are system missing after the conversion. The string numeric string conversion resulted in missing information for 66 observations. Any variable in stata s numeric format begins with a % sign.
Spss how to convert string variables into numeric ones. This is an example of how to change a numeric variable, id, to character variable. Conversion of string to numeric it wouild be helpful if you would explain the context of what you are trying to do. Looking at rows 4 and 5, we see that the leading zeros are stripped from the string during the stringtonumeric conversion of dx, meaning that we lost the distinction between a 3digit and a 4digit code. String variables defined with a width of 80 characters the intercooled stata limit or 244. May 01, 2015 the following examples show how to use these rules to convert from character numeric or numeric character. With into keyword, you can recode values of a variable into a new variable numeric conversion into the same variable recode code convert into numcode. On april 23, 2014, statalist moved from an email list to a forum, based at. Stata is reading in my variables as string instead of numeric. In spss versions 24 and higher, tiny icons in front of variable names tell us the variable type, format and even measurement level. Some of them are missing, some have the value 1 and the rest of them are usually a very big number like 3,834,848. Not least, most statistical procedures just do not accept string variables.
Sep 08, 2016 this is an example of a spreadsheet from excel. The latest versions of stata added many new features, including a long string data type allowing one to store along with numerical and categorical data, documents up. This module may be installed from within stata by typing ssc install sdecode. Official stata provides the utilities encode and decode for conversion between string variables and numeric variables with value labels, and the utilities destring and tostring for conversion. The first line of syntax reads in the dataset shown above. The dataset has 435 observations in all, and spss reports that there are zero missing values. How do i convert my icd9 codes from a string type to a numeric type. Ive tried several combinations to try and fix the issue including adding a dummy row with values of 000 dummy and this works for the active row but not for subsequent rows. Written and illustrated tutorials for the statistical software spss. How to convert char to numeric posted 01062017 2732 views in reply to pritam26 not sure why you have to recode your variables this way but to answer your question. How to determine whether a string represents a numeric value. Converting numeric variables to character variables ciser. The variable country is string and the order of countries is also different, which means that if i destring it, it would not match dataset1 neither.
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