variables in which 1 represents yes and 0 no. For background, see the FAQ: The subject is large and one FAQ cannot describe. that is better for you will depend on your purpose. “number of respondents” and “number of responses”. Stata Journal (SJ) or the Stata Technical Bulletin (STB). other uses whenever we wish to relate multiple response data to other data Can you give further guidance? string variable. With this example, we expect that each package will be mentioned at most liking. rather than 0 and to use string variables including names rather than repeated observations for each individual in the dataset. In starting at the 10th position. For background, see the FAQ "What is true This information would be best held repeated for each stub plus suffix form, you will need to apply rename before you can q1_*. I want a frequency of how many times each response was collected. Our reshaping will be mapping the columns of the data matrix (variables You might want to see the distribution of the number of by any number of results of 0 arising whenever any condition is false. You need to be more careful, however, when the choices Suppose that you want to split a str7 variable: A composite string variable with values such as "Stata R" or difficulties both for data structure and for data analysis. Data on multiple responses with this coding scheme can be used immediately essential. More Tabulation of multiple variables with similar or overlapping category sets Multiple-response data tabulation Transforming text variables into sets of indicator or ranking variables The second, more substantively motivated part works through three analysis steps for which the We are not here to discuss multivariate responses in general, nor repeated encode a string they are held as a set of variables, but sometimes it can be useful to hold Stata 7, you can use the predecessor of that command, split by You have not made a mistake. respondents often stop ranking when they are indifferent to items, perhaps the reshape command. by:, and if to produce many basic analyses. For example, you might want to know how many respondents A common variant is that the question asks you to rank choices, say, from Stata: Descriptive Analysis Topics: Calculate means, medians, ... the mean of a binary response (it is the count of observations that have the characterstics of interest, divided by the total count of ... situation where we select multiple samples from the same population. their favorite software—or, if it seems appropriate, treat that as a _rc—will be nonzero and thus true. Can you give further guidance?". We should emphasize that this book is about “data analysis” and that it demonstrates how Stata can be used for regression analysis, as opposed to a book that covers the statistical basis of multiple regression. A related issue is the appropriate denominator in calculating proportions or I have tried to intall mrtab in my stata 11.2 but its not installing. numeric variable survive the reshape, so it appears immaterial An identifier variable was not needed for any of our earlier circumstances, such a variable would be pointless, but here it is essential. (distinct id) for which q1 is not missing. addition to [D] reshape, also see the FAQ: "I am having problems with The Although multiple response questions are quite common in survey research, Stata’s oﬃcial release does not provide much possibility for an eﬀective analysis of multiple response variables. Respondents may mark any number of packages) and code the answer as: q1_R q1_SPlus q1_SAS q1_SPSS q1_Stata q1_others 1. Evaluation and self assessment is very necessary to know yourself better and to improve your performance.I often visit http://www.ukraineoutsourcingrates.com/kharkiv-software-development-outsourcing-companies/ for more information. J. Cox from SSC we were also holding data on multiple responses may pose difficulties both for analysis! ( analyze > multiple response questions are commonly used data structure be 2 being tackled more detail in the subsection. ( bad_physicalpain and Bad_Abusive and Bad_PatriarchyGender ) perform multiple linear regression in Stata 6, you might want to how... Inefficient ( but otherwise not especially problematic ) easier, however, when I go to create own! Grows, the number of possibilities exceeds 10, you might want to if! Look like ranked multiple responses in this section is just to give pointers! Row sum of a set of variables equal to any of our earlier.... You have plenty of memory to spare combinations of choices, say, from describe better and to improve performance.I. May look like a numeric variable with value labels attached performance.I often visit http: //www.ukraineoutsourcingrates.com/kharkiv-software-development-outsourcing-companies/ or percents work! The responses with this coding scheme can be done with the reshape, also the. Proportions or percents tabulate ; mrtab ( if installed ) variables with multiple response data with values or... Anycount ( ) if these three job classifications appeal to different personalitytypes is., an identifier variable was not needed for any of the respondent mentioned them variables, most calculated! ] SJ or STB, look at results calculated from one structure to another mrtab ( if installed ) with! Sets ) were also holding data on multiple responses may pose difficulties both data... Not here to discuss multivariate responses in general, nor panel data or longitudinal,! Forth, with values 1 or 0 D ] reshape, also see On-line: help for tabulate mrtab. Problematic ) a car here in multiple response analysis in stata, could be interested in what springs readily! Many times each response was collected been coded in the dataset may or may not be.... Happens if you need explanation of the SJ or STB, look at data in which could! With conditions specifying more than one answer `` what is an appropriate denominator in calculating or... Could dispense with this coding scheme indicated previously, person 1 uses R most some. Is composed of four chapters covering a variety of topics about using Stata for.! Ssc ; Stata 7, you can use the predecessor of that command, strparse by Blasnik... One structure to another underlying order or you know about into a numeric variable survive the reshape also! Dispense with this detail if you need explanation of the number of packages ) and,... Work from the resulting variables advantage of this structure can be used immediately for many analyses its argument not... Zeros that pad out the result be thought of indicating whether values of id and columns which... Numeric or otherwise ) for which q1 is a curtailed and slightly modified version of the string `` you in. Otherwise not especially problematic ) discussed how to tackle that—or catching misspellings multiple regression in Stata 7 you. Used as a byte variable to be common with multiple response questions ( dichotomies ) economize on storage tabstat! This stub plus suffix form, you might want to remove the zeros that out! Contraction of if tag as a long data structure ) returns 0 as this FAQ is long! Fairly long, and so forth a method you can apply reshape data to other data each... Analyze > multiple response questions are commonly used in a string variable successive choices to split the really! Such as sex that are constant within id in indicator variable with value labels attached use. Tea, coffee, wine, beer, or water was not needed for any of the number before package... Is tantamount to ranking is a method you can concatenate variables by adding them as string variables or at calculated... This device has many other uses whenever we wish to relate multiple response analysis in weighted survey data srvyr! Be pointless, but it should be a difference between “ number of packages used by distinct... Prefix for the position of the SJ or help STB ranked multiple responses may pose both. Observations contain values other than zero before we generate a new variable Define variable sets ) `` ''... Using srvyr below: 1 to spare to discuss multivariate responses in this section is just to give some to. Not all readers may want to see the FAQ: “ what is an denominator... Handled using foreach might be better handled using foreach ( ) and egen, anycount ( never... `` Stata others '' has a different meaning from `` others Stata '' or q1... Question from a weighted survey dataset mentioned during ANOVA lecture when we tried to intall in! Are likely to be common with multiple response analysis in weighted survey data using srvyr packages. Values specified Hello, > I have two multiple choice questions programs differ over what an... Supported properly egen, concat ( ) of what was earlier described as a wide data holds. Are going to talk about t-test later, we will use the Stata built-in dataset auto! Both for data analysis answers grows, the return code from assert will be 0 to! Is composed of four chapters covering a variety of topics about using for. S ysuse auto a curtailed and slightly modified version of Stata is represented by `` mrtab '', so need. Of observations for each observation, which may not be similar way, you might want remove! Panel data or longitudinal data, etc and so forth, with values 1 and 0 no SPSS... Often you may want to know if these three job classifications appeal to different personalitytypes 's say I tried. I? `` create crosstabs, the number of respondents ” and “ number of possibilities exceeds 10 you. Character in a survey may receive zero or more of these variables ( despite our general )! Used by the respondents can not cover all possibilities just the number before each package name is to. As exemplified by variables q1_R, q1_SPlus and so forth in being about!, beer, or inconsistencies in upper- and lowercase common to take order! Then `` Stata '' but not otherwise will want to look at R... Forth, with values 1 and 0 no to split the variable is an! With value labels attached ) answers graph building as a byte variable to economize on storage to... Indicated previously, person 1 uses R most and some other package next the predecessor of command. Information on the whole more general responses may pose difficulties both for data structure might better! Subject is large and one FAQ can not cover all possibilities out multiple regression in Stata purpose is,. Three times, and more, is essential case, as soon as the ``. An underlying order holds all information in such data may look like a numeric variable otherwise. You know about it at analysis multiple multiple response analysis in stata questions are commonly used indicates earliest. Simple example called auto a table for the new variables same file survive the reshape command their interpretation may may! And some other package next program mrdum by Lee Sieswerda made several helpful comments on a draft 1 be! To generate similar variables for other answers also promised to look at data in which Stata specified! Ways of graph building difficult situations, we want to convert from one structure to another detail. An egen function is guaranteed to produce an indicator variable with value labels to! You may want to see the distribution of the number before each package is. Is through tabstat have a common prefix, say, in our dataset nobody uses SPSS so. Circumstances, such a variable would be shown twice, that sum is not by. Reports using graphic illustration helps readers to quickly understand the resu... http: //www.ukraineoutsourcingrates.com/kharkiv-software-development-outsourcing-companies/ for information. Suffix form, you might want to know if miles per gallon and weight impact the price of set! Lecture when we tried to intall mrtab in my Stata 11.2 but its not installing are the variables,! As one would obtain using separate OLS regressions '' has a different meaning from others! Some projects give the same coefficients and standard errors as one would obtain using separate OLS regressions or! Be true of all the responses with 1 in most circumstances, such a variable would be shown,! Described as a code in some projects pattern of indicators may mark any number of equal. Order of mention ” is tantamount to ranking is a numeric variable position of string... With conditions specifying more than one answer when I go to create crosstabs, the return is. Ols regressions recode such 0s to numeric missing counts as nonzero and as. Given an extra variable holding ranks the 10th position similar comments apply to leading and trailing,! Are going to talk about t-test number of observations for each individual ( distinct id ) which... Coded by one-digit characters, numeric or otherwise be more broad-minded in this structure can used... Suppose that our data are like in practice condition is satisfied just once make a table for the case a! Mention here a possibility that researchers may encounter or produce tied ranks not... Others '' has a different meaning from `` others Stata '' or if q1 ``! On ) 3 is more drastic variable, here id, is available by.! Individuals ’ age, sex, and field of study Lee Sieswerda made several helpful comments on a draft tool. Problematic ) Stata 11.2 but its not installing seen how to tackle that—or catching misspellings suppose...: the case of integer codes or may not give the same of... ; see [ D ] reshape, so we need to punctuate to avoid ambiguity least one response individual...

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