Statistical Aid: A School of Statistics
Learn Statistics and Data Analysis Intuitively!
In data analysis, normality checking of data set is very important. Because normally distributed data produces more accurate result. Basically we check the normality using histogram. If the shape of the histogram is bell shaped then the data set follow the normal distribution. We also use the normality table including kolmogrov-smirnov test and shapiro-wilk test … Read more
Bivariate analysis is a statistical analysis which deals with two variables and find the relationship between the variables. We can perform bivariate analysis using SPSS, Stata and other statistical software very easily. Bivariate Analysis What is bivariate analysis? Bivariate analysis is the analysis of two random variable and find their association. The casualty and association … Read more
Three different types of procedures can be used to analyze data in statistics. These include univariate, bivariate, and multivariate analysis. The amount of variables and the type of data determine which data analysis method is used. Additionally, we have to consider the objectives of the statistical analysis. We can easily conduct univariate analysis using SPSS, … Read more
Variable transformation using spss is procedure to convert a variable into anathoer type variable. This procedure is mainly used for creating categorical variable from a continuous variable. What do we mean by categorize variables? A random variable which contains categorical data such as “low”, “medium”, “high” (three category) is called categorical variable. The procedure of … Read more
Missing value analysis using SPSS is a procedure of finding, replacing or coding missing values of a data set using SPSS. SPSS is a simple statistical analytics tool which help us to perform various data analytics task. Missing values analysis using SPSSHow can we find missing values? To find the missing values we have to … Read more
Generally, we may have two or more data set to analyze. It is time consuming and difficult to manage all data set. For this reason we need to combine the data set. We combine data sets using SPSS. SPSS is a simple data analytics tool. Merge or combine data sets using SPSS (Add variables) Add … Read more
Merge data is a very important for data analysis. It is very simple to merge data file using spss. Spss is a simple analytics tool. Merge data file using SPSS What do we mean by add case? Add case means combing or merge two data set where the variables of the two data set are … Read more
Sorting data means rearranging data under a variable in a data set. We usually sort data using SPSS because it is very simple and easy to perform. Sort data using SPSS 1. If we want to sort data in ascending or descending order, then we have to go to the “menu bar” and click on … Read more
SPSS is very easy to use because we can import any types of data set in SPSS software. We can import data set in SPSS from excel, Stata, R, SAS etc. data analytics software. Import Data in SPSS from Excel Open SPSS go to “Menu Bar” and select- “File”→“Open”→“Data” Open new data set –Now there … Read more
In data analysis, data entry is the first step. There are various software for analyze data but we can easily input data in SPSS which is a simple data analytics software. How can we input data in SPSS? We can enter data in SPSS by using two different ways. Manually Import data from excel Manually … Read more
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