Basic Data Analysis Commands Using R Studio

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Creating a summary of stats for the dataset

Command : 

      summary(dataset_price_personal_computers) 

Output : 

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Checking str before converting data

Command : 

      str(dataset_price_personal_computers)

Output : 

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Converting 'Ch' Values to integer (OR) Converting “Yes” to 1 and “No” to 0

Commands:

dataset_price_personal_computers$cd <- gsub("yes","1",dataset_price_personal_computers$cd)

dataset_price_personal_computers$cd <- gsub("no","0",dataset_price_personal_computers$cd)

Output : 

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Transform ‘Chr’ columns cd, multi & premium to numeric

Commands:

dataset_price_personal_computers <- transform(dataset_price_personal_computers, cd = as.numeric(cd), multi = as.numeric(multi), premium = as.numeric(premium))

Output : 

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Running Correlation on a data set

Commands:

cor(dataset_price_personal_computers)

Output :