andi Rd, k ori Rd, k. Rd = Rd AND ... andi R16, $0F ;test low nybble. breq allZero ;branch if low nybble all ... Use ANDI to be sure other bits in the byte are ...
Generating new variables and manipulating data with STATA Biostatistics 212 Lecture 3 Housekeeping Questions re: Log and Do files? Today... What we did in Lab 1, and ...
rename and/or label var so it's clear. Find nonsense values and outliers ... A variable label var varname 'label' Values of a variable (2-step process) ...
Sex is m/f, not 1/0. Gestational age has nonsense values (0, 60) ... 1 raw data file, original format. 1 raw data file, Stata format. 1 do file that cleans it up ...
Any all-zero rows are at the bottom. Correct step pattern' of first non-zero row entries. ... 4.4.1 Generalised Row Echelon Form. Any all-zero row at the bottom ...