THOUGH Administration officials figured that last week's statistics showed that the worst of the slowdown may be over, nobody was trumpeting that inflation has been beaten. The President's policy of controlling inflation by deflating business has been only half successful. It has stunted economic growth for many months but not yet significantly slowed price increases. A listing of some economic barometers since Nixon's first full month in office:
FEB. '69 LATEST PCT. CHANGE
Industrial Production 170.1 170.2 +0.001%
Unemployment 3.3%...