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Rating Stats for

Jingxin Zhang

Rating
1498.32 (3,860,792nd) 		Reputation
114 (659,503rd)
Page: 1
Title Δ
Regex to match dates in R +0.02
Combine multiple dataframe of different columns +0.40
Filtering rows by multiple regex conditions 0.00
Minimum number of digit changes to get two arrays to have the same... 0.00
How to read quarterly data with R? 0.00
How to rotate in R? -0.91
Convert lowercase to uppercase in a mixed dataframe (character, vec... +4.88
Compare value to previous n values in dataframe -1.59
Predict function Usage with pre() ,Rulefit package 0.00
Is there an R function for creating a formula from a string like &q... -2.70
How to calculate handling time or response time between two dates i... 0.00
How to merge many datasets based on many criteria -1.78
How to rename observations based upon frequency in R? 0.00
How to join a sf map data with tibble data using full_join? 0.00