Answers for "get random rows from dataframe r"

R
2

how to add random numbers randomly in a dataframe in r

# 1000 random numbers with 0 or 1 values:

a <-sample(0:1, 1000, rep = TRUE)

# 0 1 1 0 0 0 1 0 ...
Posted by: Guest on October-19-2020
0

Getting Random rows in dataframe

df = pandas.DataFrame(pandas.np.random.random(100))

# Randomly sample 70% of your dataframe
df_percent = df.sample(frac=0.7)

# Randomly sample 7 elements from your dataframe
df_elements = df.sample(n=7)
Posted by: Guest on November-19-2021

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