2 How to create a variable giving the name as an argument # We can create a variable and assign a value my_variable <- 5 my_variable ## [1] 5 # Now we can create a variable by name assign("my_string", "Hello World") # We check if the variable exists on this environment: ...
I have a dataset and I will do many summaries base on different columns.These summaries have basically the same calculation process. However we need to choose different column name as target to be grouped or to be pivoted.I can do them separately but this will cause many code duplicates. ...
Often I want to open an empty script file and test/run random scripts. In this case, I want to run a simple for while loop but first I need to declare a variable, but MySQL is giving me a syntax error: BEGIN DECLARE @@count int; ...
To <statalist@hsphsun2.harvard.edu> Subject st: R: How to index the variables' name as variable's value? Date Thu, 10 Nov 2011 10:03:23 +0100Dear Qian, the following code may do the trick: ---code begins--- input year_1995 year_1996 8 19 15 20 67 76 899 99999 999 288 end...
N() treats a categorical variable as continuous. F() treats a continuous variable as categorical. F() contains additional arguments low, high, and exclude, which can be included to specify the value of the lowest category, the highest...
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To fully realize the potential of invitro reprogrammed cells, we need to understand the molecular and epigenetic determinants that convert one cell type ... JH Hanna,K Saha,R Jaenisch - 《Cell》 被引量: 950发表: 2010年 Arachidonic and docosahexaenoic acids are biosynthesized from their 18-carb...
The semicolon was a mistake on the paraphrase - I have a bracket in my real code. I'm not surprised that the value of concatenatedString is "alreadySet" - that's correct - it's the name of the variable I want to actually get the value of. Now how do I ...
I am trying to understand some basics of Regular Expressions. For just a experiment I wanted to count the total words in a string. var str:String = "hello, this is some text to count the word hello and to check if Hello is ignored by case and if hellow is different"; ...
Python doesn’t provide a function to print a variable’s name, so you need to use a custom solution if you want to print the name of a variable. There are 3 different ways you can print a variable’s name in Python: Using the f-string format and split() method Using the globals(...