Biostatistics

Epidemiology and biostatistics, public health research. GLM, logistic regression, survival analysis, clinical trials.
drtoddchang
  • Poll
Similarity instead of differences in means b/w 2 groups
Replies
4
Views
1,486
ondansetron
R
Is Chi-square appropriate for a single measurement variable with repeated measures?
Replies
2
Views
791
RustyEcologist
N
One way ANOVA vs Kruskal Wallis
Replies
1
Views
1,080
Karabiner
S
Can I calculate the % of people positive for an outcome from an odds ratio?
Replies
8
Views
1,063
SSSA
R
Cox Regression with missing values
Replies
5
Views
1,391
Rowena
T
Best scenario: unpaired or paired situation?
Replies
0
Views
840
tleal
Z
Freidman test with missing values?
Replies
0
Views
495
zhu
J
Propensity Score Matching
Replies
1
Views
923
hlsmith
J
Poisson Standard Deviation
Replies
6
Views
1,551
toks
W
Normal Approximation, Fisher's Exact Test, Relative Risk or Odds Ratio?
Replies
7
Views
1,581
toks
M
Help with correct statistical analysis?
Replies
5
Views
1,317
toks
C
Statistical significance
Replies
8
Views
1,250
toks
N
Critiquing a Network Meta-analysis: Interpreting inconsistency
Replies
3
Views
801
toks
I
STATA Logistic Regression Intepretation
Replies
0
Views
684
I_AM_KB
W
Sphericity with unequal sample sizes
Replies
0
Views
656
Wouterka
S
Need Appropriate Test for comparing a series of measurements from one bone to another
Replies
2
Views
936
GretaGarbo
O
Online Biostatistics Course/Master's Degree
Replies
1
Views
1,128
GretaGarbo
D
Patient-year Incidence rates comparisons and p value
Replies
0
Views
847
didye
L
Help with comparing disease death rates over time
Replies
0
Views
1,939
LAM_13
M
Software for NHANES Analysis
Replies
0
Views
884
mam326
C
Multi-level Meta-regression using random effect for treatment? [R pkg metafor]
Replies
0
Views
821
chelbylu
A
Help choosing right statistics
Replies
2
Views
1,004
hlsmith
B
sample size calculation for chi square test with more than 2 groups
Replies
4
Views
2,028
Bassam
R
test for cumulative analysis of outcomes over time in meta-analysis
Replies
3
Views
1,894
hlsmith
C
Simple question re retrospective study types
Replies
2
Views
2,213
ConnemaraPony
P
Non Inferiority with a Historical Control
Replies
1
Views
1,468
hlsmith
C
Should I perform a PCA on my datas?
Replies
0
Views
1,328
Clarissa
N
covariate for only clinical group
Replies
3
Views
1,929
hlsmith
J
Absolute values or Log-transformed data
Replies
3
Views
1,670
hlsmith
Q
Mixed Model Analysis SPSS
Replies
0
Views
1,429
quix09
J
Is Cochran's Q the right test for repeated measures with binary outcomes?
Replies
0
Views
1,242
Jennifer Kosty
F
Different proportions in different conditions?
Replies
3
Views
2,556
rogojel
A
Contingency tables with proportions only
Replies
8
Views
2,747
hlsmith
M
Chi-square goodness of fit test
Replies
1
Views
1,472
rogojel
O
Antibiogram
Replies
1
Views
1,509
hlsmith
B
what statistical test to choose
Replies
0
Views
1,671
bburugap
H
Can i use one sample t-test?
Replies
2
Views
1,853
hlsmith
R
reference interval determination
Replies
1
Views
2,108
hlsmith
R
Problem with normalization and - proteomics analysis (LC-MS)
Replies
0
Views
1,132
robertp
J
Bias Question
Replies
14
Views
1,757
ondansetron
S
Comparing groups - Should I do hypotesis testing on raw counts or percentage values?
Replies
3
Views
1,306
katxt
N
Chi Square test (not significant when comparing across 4 groups but changes with 2)
Replies
2
Views
1,591
hlsmith
B
Statistical help (not independent samples)
Replies
2
Views
1,557
katxt
H
How to do age standardization for morbidity study (2 populations)
Replies
0
Views
1,521
happiness17
Y
Which test for equivalency?
Replies
6
Views
1,980
katxt
C
PCA questions?
Replies
3
Views
1,840
bugman
E
Predicting outcome with multiple groups
Replies
4
Views
1,803
Eric2014
D
Finding data given sample mean and variance
Replies
2
Views
2,641
katxt
J
am i overadjusting?
Replies
1
Views
1,372
hlsmith
D
Confidence interval question
Replies
1
Views
1,457
Karabiner
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