code: def log_plus_1(x):
      return np.log(x) + 1.0
  
imports: import numpy
  import statsmodels.api
  from statsmodels.formula.api import ols
  import statsmodels.formula.api
  import patsy
label_desc: Use image node_id 1 for calling a global function with example usage: log_plus_1(x) and returns: unknown