Zhanshan Dong

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Homepage: http://www.sunfinedata.com/


Posts by Zhanshan Dong

Use sparse data set to create contour map

Friday, April 27th, 2018

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Posted in R, R/S-Plus | No Comments

Slicing a data frame in R

Saturday, March 31st, 2018

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Posted in R, R/S-Plus | No Comments

Transpose rows to columns in MySQL

Friday, March 30th, 2018

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Posted in MySQL | No Comments

Construct R formula with variable names in a vector automatically

Thursday, March 29th, 2018

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Posted in R, R/S-Plus | No Comments

Several important and useful iPhone/iOS settings

Sunday, March 4th, 2018

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Posted in Tips | No Comments