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Sunita pandey

Data science user

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A user wants to know in what way he can randomly select a number of rows without replacement from a dataframe in R.

Asked by Sunitapandey in Data Science, Asked on Nov 10, 2019

5 | 0

1
ANSWER

983
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Explain some of the preprocessing steps required before building a model in R.

Asked by Sunitapandey in Data Science, Asked on Nov 5, 2019

7 | 0

1
ANSWER

856
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A user wants to learn about dplyr and wants to group by multiple columns by using input as a string vector.Below is his code.How to fix that?

Asked by Sunitapandey in Data Science, Asked on Nov 5, 2019

7 | 0

1
ANSWER

930
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How to make a stem and leaf plot in R?

Asked by Sunitapandey in Data Science, Asked on Nov 5, 2019

7 | 0

1
ANSWER

895
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