We rapidly improved and added new functionalities in the past week. We also added the following features:
koalas:
isna (#548)
isnull (#548)
notna (#548)
notnull (#548)
koalas.DataFrame:
bool (#533)
reindex (#493)
pivot (#532)
transform (#541)
median (#544)
cumprod (#545)
koalas.Series:
cummax (#534)
cummin (#534)
cumsum (#534)
median (#540)
transpose (#543)
T (#543)
hasnans (#547)
Along with the following improvements:
Fix DataFrame.replace to take kdf.replace({0: 10, 1: 100}) (#527)
kdf.replace({0: 10, 1: 100})