lapply(1:length(regressionVars$motivation_on), function(x) { OLS_ONM_motivation_X <- lm(regressionVars$motivation_on我也尝试了一个for循环,但它只打印了21次“标题”,不计算线性模型.
for (x in 1:l
,"surname":"Thouless","motivation":"\"for theoretical discoveries of topological phase transitions and,"surname":"Haldane","motivation":"\"for theoretical discoveries of topological phase transitions an